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RiverReports Blog

Product updates, how-to guides, river stories, and data insights to help you make the most of your time on the water.

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The RiverReports blog shares articles to help you understand river conditions, plan better trips, and interpret changing water patterns. Posts include how-to guides, seasonal timing insights, destination inspiration, and explanations of river data. This section works together with River Intel: use River Intel for current conditions on specific rivers, and use blog content to learn patterns, read stories, and make better decisions before you go.

Latest update: August 27, 2026

Key Topics

Explore Key Topics

How-To

Freestone vs Tailwater Fly Fishing: Reading Water & Tactics

Same river, different rules - learn to spot fish in both

How trout hold in freestone rivers vs tailwaters — and how to adapt your flies, approach, and water-reading skills for each type of trout stream.

Mike Stevens

Using River Flows to Inform Your Stillwater Fishing

How inlet and outlet flows put fish exactly where you need them

Master reservoir and lake fishing by understanding how inlet and outlet flows affect fish behavior—from predator ambushes during runoff to thermal stratification and spawning migrations.

RiverReports Team

Alpine Lake Fly Fishing: The Complete Guide

Everything you need to know about finding fish in high-country stillwater

Learn how to find productive alpine lakes, understand what trout eat at elevation, and fish the shelf. Plus the flies that actually work above 10,000 feet.

Greg Lamp

Tippet vs Leader Explained: Size Chart & the Divide-by-3 Rule

Stop overthinking it - here's what you actually need to know

The difference between tippet and leader, a 0X-8X chart with diameter and pound test, and one simple rule for matching tippet to fly size.

Greg Lamp

Learn

How-To Guides

How-To

Carp on the Fly: Where to Go and When to Show Up

The hardest sight fishing in freshwater North America is free, it's close to home, and almost nobody is doing it

Where to fly fish for carp in Michigan, Washington, Colorado, Texas and Minnesota, plus the flow and water temperature window that makes them catchable.

Greg Lamp

How Much CFS Is Too High to Wade? What the Gauge Won't Tell You

The gauge says 850. Whether you can stand up in it is a different question.

How many CFS is safe to wade? Why the gauge number alone can't answer that, the depth-times-speed rule that can, and how to read flows before you get wet.

Greg Lamp

Smallmouth Bass on the Fly: How to Read River Flows

The best gamefish in America, and every good day starts with a CFS number

Smallmouth river fishing lives and dies on flow. Real CFS ranges for the Susquehanna, New, James, Shenandoah, Potomac and French Broad, plus when to go.

Greg Lamp

Trout Redds: How to Spot Them and Fish the Fall Spawn Right

Fishing during the spawn is fine. Standing in the gravel is not.

How to identify trout redds, when brown and brook trout spawn, and how winter flows decide whether this fall's eggs ever become fish. A practical guide.

Greg Lamp

Winter Fly Fishing: The Rivers That Actually Fish in January

A four-hour window, a short list of water, and almost nobody else on it

Winter trout fishing runs on an 11am-3pm window and a short list of tailwaters. Real January flows for the San Juan, Green, Bighorn, Fryingpan, Provo, and more.

Greg Lamp

Public vs. Private Water Access in Colorado: What Fly Fishermen Need to Know

Colorado's streambed laws are unlike any neighboring state. A river-by-river guide to staying legal.

In Colorado, wading through private land is criminal trespass. River-by-river guide to public access on the South Platte, Arkansas, Roaring Fork, and more.

Greg Lamp

View all 24 guides

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Stories & Inspiration

Story

Free Camping Near the Best Fly Fishing Rivers in the West

Where to sleep in the dirt for free and fish all day on BLM and National Forest land

A river-by-river guide to free dispersed camping near western fly fishing rivers. BLM land, National Forest sites, regulations, and truck camping tips for the dirtbag angler.

Jake Morrison

Best Trout Rivers in the US: 27 Rivers Across 9 Categories (No Cliches Allowed)

We banned the most obvious rivers, then ranked what's left across 9 categories—from small-stream beginner water to trophy tailwaters to the best family-friendly destinations.

The definitive guide to the best trout rivers in America, ranked across 9 categories: best for beginners, best chance at a trophy, best scenery, least crowded, best dry fly water, best year-round fishing, best road trip, best for families, and best East Coast rivers. Gold, silver, and bronze picks for each.

Riley Thompson

Sun Valley to Stanley Fly Fishing: Idaho's Best Road Trip

Three world-class fisheries, one stunning highway, and zero stocked trout

Fly fish Silver Creek, the Big Wood River, and the Upper Salmon on Highway 75 from Sun Valley to Stanley. Three wild-trout fisheries in 60 miles.

Greg Lamp

Fly Fishing Near Atlanta: Day Trips to Weekend Getaways

Trout tailwaters, native brookies, and bass—all within driving distance of the city

A complete guide to fly fishing near Atlanta, Georgia. From the Chattahoochee tailwater 30 minutes north to mountain streams 90 minutes away, find trout, bass, and the Appalachian Slam.

River Reports Staff

Provo River Fly Fishing: 3,500 Trout/Mile & Live Flows

World-class tailwaters, alpine lakes, hot spring creeks, and urban fishing - all within 30 minutes of town

Section-by-section Provo River guide — Middle, Lower, and Upper. USGS flow data, current hatches, and 3,500 brown trout per mile near Jordanelle.

Riley Thompson

The Ultimate Western Fly Fishing Road Trip: Chasing Peak Summer Hatches

Chase salmonflies, green drakes, and alpine lakes across 2-4 weeks of epic hatches

Chase Montana salmonflies, Colorado green drakes, and alpine cutthroat on the ultimate 2-4 week Western trip. Complete routes, CFS targets, and timing.

Jake Morrison

View all 8 stories

Insights

Data Insights & Updates

Data Insight

What's On the Menu: The Ultimate Western Hatch and Forage Guide

Every hatch, terrestrial, and forage item worth knowing across 11 western regions, filterable by river, month, and fly size

Interactive calendar of everything trout eat on 40+ western rivers: hatches, terrestrials, mysis, crayfish, eggs, sculpins, and mice. Filter by river, month, and fly size.

Riley Thompson

Every River We Track, On One Map

605+ gauge sites, 37 states, real-time CFS. Plan your next trip in 30 seconds.

See real-time CFS readings from 605+ USGS gauges on one interactive map. Filter by state, zoom for detail, and plan your next river trip.

Greg Lamp

Low Snowpack Summer 2026: Where to Fly Fish When Western Rivers Run Dry

Tailwaters, spring-fed rivers, and Eastern alternatives for the worst Western snowpack in decades

Western snowpack is at record lows heading into summer 2026. Here are the tailwaters, spring-fed rivers, and non-Western destinations that will fish well in July and August regardless.

Greg Lamp

Launching RiverReports Pro

For those of you going pro in something other than sports.

RiverReports Pro is here: ad-free river flows, flow alerts, and stickers for $1/month. Here's why we built it and what you get.

Greg Lamp

Using River Flows to Inform Your Stillwater Fishing

How inlet and outlet flows put fish exactly where you need them

Master reservoir and lake fishing by understanding how inlet and outlet flows affect fish behavior—from predator ambushes during runoff to thermal stratification and spawning migrations.

RiverReports Team

All Posts

Browse all posts or filter by category to find exactly what you're looking for.

All Posts

How-To Guides

Stories & Inspiration

Data Insights & Updates

How-To

Carp on the Fly: Where to Go and When to Show Up

The hardest sight fishing in freshwater North America is free, it's close to home, and almost nobody is doing it

Where to fly fish for carp in Michigan, Washington, Colorado, Texas and Minnesota, plus the flow and water temperature window that makes them catchable.

Greg Lamp

How Much CFS Is Too High to Wade? What the Gauge Won't Tell You

The gauge says 850. Whether you can stand up in it is a different question.

How many CFS is safe to wade? Why the gauge number alone can't answer that, the depth-times-speed rule that can, and how to read flows before you get wet.

Greg Lamp

Smallmouth Bass on the Fly: How to Read River Flows

The best gamefish in America, and every good day starts with a CFS number

Smallmouth river fishing lives and dies on flow. Real CFS ranges for the Susquehanna, New, James, Shenandoah, Potomac and French Broad, plus when to go.

Greg Lamp

Trout Redds: How to Spot Them and Fish the Fall Spawn Right

Fishing during the spawn is fine. Standing in the gravel is not.

How to identify trout redds, when brown and brook trout spawn, and how winter flows decide whether this fall's eggs ever become fish. A practical guide.

Greg Lamp

Winter Fly Fishing: The Rivers That Actually Fish in January

A four-hour window, a short list of water, and almost nobody else on it

Winter trout fishing runs on an 11am-3pm window and a short list of tailwaters. Real January flows for the San Juan, Green, Bighorn, Fryingpan, Provo, and more.

Greg Lamp

Public vs. Private Water Access in Colorado: What Fly Fishermen Need to Know

Colorado's streambed laws are unlike any neighboring state. A river-by-river guide to staying legal.

In Colorado, wading through private land is criminal trespass. River-by-river guide to public access on the South Platte, Arkansas, Roaring Fork, and more.

Greg Lamp

Fly Fishing During Runoff Season: Where to Go When Everything Blows Out

Your home river is chocolate milk. These waters across the West still fish.

Spring runoff blew out your river. Here are the tailwaters, spring creeks, and alternatives across CO, MT, WY, ID, and UT that fish well in May and June.

Cooper Hayes

Free Camping Near the Best Fly Fishing Rivers in the West

Where to sleep in the dirt for free and fish all day on BLM and National Forest land

A river-by-river guide to free dispersed camping near western fly fishing rivers. BLM land, National Forest sites, regulations, and truck camping tips for the dirtbag angler.

Jake Morrison

How Water Temperature Affects Trout Fishing (and When You Should Stop)

A practical guide to temperature thresholds, hoot owl closures, and knowing when to reel it in

Species-by-species stress thresholds, hoot owl rules, catch-and-release ethics in warm water, and where to fish instead. A practical temperature decision guide.

Mike Stevens

What's On the Menu: The Ultimate Western Hatch and Forage Guide

Every hatch, terrestrial, and forage item worth knowing across 11 western regions, filterable by river, month, and fly size

Interactive calendar of everything trout eat on 40+ western rivers: hatches, terrestrials, mysis, crayfish, eggs, sculpins, and mice. Filter by river, month, and fly size.

Riley Thompson

Every River We Track, On One Map

605+ gauge sites, 37 states, real-time CFS. Plan your next trip in 30 seconds.

See real-time CFS readings from 605+ USGS gauges on one interactive map. Filter by state, zoom for detail, and plan your next river trip.

Greg Lamp

Best Trout Rivers in the US: 27 Rivers Across 9 Categories (No Cliches Allowed)

We banned the most obvious rivers, then ranked what's left across 9 categories—from small-stream beginner water to trophy tailwaters to the best family-friendly destinations.

Riley Thompson

Sun Valley to Stanley Fly Fishing: Idaho's Best Road Trip

Three world-class fisheries, one stunning highway, and zero stocked trout

Fly fish Silver Creek, the Big Wood River, and the Upper Salmon on Highway 75 from Sun Valley to Stanley. Three wild-trout fisheries in 60 miles.

Greg Lamp

Low Snowpack Summer 2026: Where to Fly Fish When Western Rivers Run Dry

Tailwaters, spring-fed rivers, and Eastern alternatives for the worst Western snowpack in decades

Western snowpack is at record lows heading into summer 2026. Here are the tailwaters, spring-fed rivers, and non-Western destinations that will fish well in July and August regardless.

Greg Lamp

Spring Fly Fishing Before Runoff Wrecks Everything

Where to fish from March through May, which hatches to chase, and how to stay on fish when freestones blow out

The best Western rivers to fly fish in spring before runoff hits. Tailwaters, spring creeks, and the hatches worth planning around in MT, CO, WY, and ID.

Greg Lamp

Montana Fly Fishing Rivers: 10 Best, Ranked by Difficulty

From forgiving freestones to PhD-level spring creeks

Montana's top fly fishing rivers from beginner Bighorn to expert spring creeks. Current flows, best hatches, and skill-level ratings for each river.

Greg Lamp

Best Time to Fly Fish: Peak Seasons & Hatches for Every State

A state-by-state breakdown of peak seasons, hatches, and optimal flow ranges

State-by-state fly fishing calendar with peak hatches, ideal water temps, and CFS flow ranges. Plan trips with real data instead of guesswork.

Greg Lamp

Best Tailwaters for Fly Fishing: 8 Rivers That Fish Year-Round

These dam-release fisheries don't care what the calendar says

San Juan, Green River, Missouri, Bighorn, and 4 more tailwaters with year-round trout. Optimal flows, fly patterns, and seasonal tactics for each.

Greg Lamp

Green Drake Hatch 2026: 7 Best Rivers, Timing & Fly Patterns

When and where to fish the hatch that pulls trophy fish to the surface

River-by-river green drake hatch timing from Penns Creek to Henry's Fork. Best fly patterns, tactics, and peak dates that produce trophy trout rises.

Greg Lamp

Colorado Fly Fishing: Best Rivers by Month (2026)

12 months of trout, from winter tailwaters to summer salmonflies

Where to fly fish in Colorado every month. Tailwater midges in winter, Mother's Day caddis in May, salmonflies in June, and hopper season in August.

Greg Lamp

Hunting for Fly-Tying Materials: From Field to Vise

How to harvest, preserve, and use feathers and fur from game birds and big game for your fly tying

Learn how to harvest fly-tying materials from pheasants, waterfowl, upland birds, and big game. Covers regulations, preservation techniques, and which feathers make the best flies—from CDC to elk hair caddis.

Greg Lamp

Junk Flies: The Controversial Patterns That Just Keep Catching Fish

Mop flies, squirmy worms, and egg patterns—why they work, why they're hated, and when you should use them

The complete guide to junk flies in fly fishing: mop flies, squirmy worms, egg patterns, and beads. Learn why they're controversial, when they're deadly effective, the serious ethical considerations around fishing eggs during spawning runs, and where to draw your own line.

Greg Lamp

Fly Fishing Near Atlanta: Day Trips to Weekend Getaways

Trout tailwaters, native brookies, and bass—all within driving distance of the city

A complete guide to fly fishing near Atlanta, Georgia. From the Chattahoochee tailwater 30 minutes north to mountain streams 90 minutes away, find trout, bass, and the Appalachian Slam.

River Reports Staff

Tippet vs Leader Explained: Size Chart & the Divide-by-3 Rule

Stop overthinking it - here's what you actually need to know

The difference between tippet and leader, a 0X-8X chart with diameter and pound test, and one simple rule for matching tippet to fly size.

Greg Lamp

Provo River Fly Fishing: 3,500 Trout/Mile & Live Flows

World-class tailwaters, alpine lakes, hot spring creeks, and urban fishing - all within 30 minutes of town

Section-by-section Provo River guide — Middle, Lower, and Upper. USGS flow data, current hatches, and 3,500 brown trout per mile near Jordanelle.

Riley Thompson

The Ultimate Western Fly Fishing Road Trip: Chasing Peak Summer Hatches

Chase salmonflies, green drakes, and alpine lakes across 2-4 weeks of epic hatches

Chase Montana salmonflies, Colorado green drakes, and alpine cutthroat on the ultimate 2-4 week Western trip. Complete routes, CFS targets, and timing.

Jake Morrison

The Epic 10-Day Colorado Fly Fishing Trip: Denver to Denver

Alpine lakes, green drakes, trophy trout, and smallmouth bass - the complete Colorado grand slam

Start in Denver and hit Colorado's best fishing: Green Drake hatches, Rio Grande cutthroats, trophy browns and rainbows, alpine lakers, and Yampa smallmouth.

Cooper Hayes

4 Days of Wade Fishing Around Bozeman: A Long Weekend Itinerary

Freestone rivers, spring creeks, and wild cutthroat—all within an hour's drive

A complete 4-day, 3-night wade fishing itinerary for Bozeman. Hit the Gallatin, Madison, Yellowstone, and spring creeks for rainbows, browns, and cutthroat without needing a boat.

Tom Beckett

The 3-Day Utah Weekend That Proves You Can Actually Fly Fish

Skip the 5-day commitment - this affordable weekend trip gets you catching fish in 3 days

A budget-friendly 3-day beginner fly fishing trip to Utah's Provo River. Learn the basics, catch real fish, and discover if fly fishing is for you. $550-720 total.

Riley Thompson

Top 10 Beginner-Friendly Rivers in Colorado

Start your Colorado river adventure with these forgiving flows

Discover the 10 best beginner rivers in Colorado for fishing and kayaking. From the South Platte to Browns Canyon, find easy access and ideal flows.

Greg Lamp

The 5-Day Beginner Trip That Will Actually Make You a Better Angler

From first cast to confident fishing - a practical guide to learning fly fishing fast

A budget-friendly 5-day Colorado fly fishing trip designed for beginners. Learn dries, nymphs, and streamers across rivers, creeks, and lakes with guides and solo fishing.

Jake Morrison

Freestone vs Tailwater Fly Fishing: Reading Water & Tactics

Same river, different rules - learn to spot fish in both

How trout hold in freestone rivers vs tailwaters — and how to adapt your flies, approach, and water-reading skills for each type of trout stream.

Mike Stevens

Alpine Lake Fly Fishing: The Complete Guide

Everything you need to know about finding fish in high-country stillwater

Learn how to find productive alpine lakes, understand what trout eat at elevation, and fish the shelf. Plus the flies that actually work above 10,000 feet.

Greg Lamp

Utah Alpine Lake Fishing: Aerial Stocking & Golden Trout

Fish dropped from airplanes, predators stocked to grow trophy brookies, and four subspecies of native cutthroat being restored

How Utah stocks 300+ alpine lakes by airplane, manages golden trout and native cutthroat, and grows trophy brookies on Boulder Mountain. Maps and access.

Riley Thompson

Best Places to Mouse for Trout in the Lower 48

Skip Alaska - these rivers produce monster browns on mouse patterns

Skip Alaska. These 7 rivers in the lower 48 produce trophy browns on mouse patterns - including one sleeper urban pick you've never considered.

Greg Lamp

Launching RiverReports Pro

For those of you going pro in something other than sports.

RiverReports Pro is here: ad-free river flows, flow alerts, and stickers for $1/month. Here's why we built it and what you get.

Greg Lamp

Using River Flows to Inform Your Stillwater Fishing

How inlet and outlet flows put fish exactly where you need them

Master reservoir and lake fishing by understanding how inlet and outlet flows affect fish behavior—from predator ambushes during runoff to thermal stratification and spawning migrations.

RiverReports Team

Ready to track river flows?

Get real-time flow data, forecasts, and conditions for 500+ rivers across 36 states.

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RiverReports Blog

Product updates, how-to guides, river stories, and data insights to help you make the most of your time on the water.

Explore Key Topics

Freestone vs Tailwater Fly Fishing: Reading Water & Tactics

Using River Flows to Inform Your Stillwater Fishing

Alpine Lake Fly Fishing: The Complete Guide

Tippet vs Leader Explained: Size Chart & the Divide-by-3 Rule

How-To Guides

Carp on the Fly: Where to Go and When to Show Up

How Much CFS Is Too High to Wade? What the Gauge Won't Tell You

Smallmouth Bass on the Fly: How to Read River Flows

Trout Redds: How to Spot Them and Fish the Fall Spawn Right

Winter Fly Fishing: The Rivers That Actually Fish in January

Public vs. Private Water Access in Colorado: What Fly Fishermen Need to Know

Stories & Inspiration

Free Camping Near the Best Fly Fishing Rivers in the West

Best Trout Rivers in the US: 27 Rivers Across 9 Categories (No Cliches Allowed)

Sun Valley to Stanley Fly Fishing: Idaho's Best Road Trip

Fly Fishing Near Atlanta: Day Trips to Weekend Getaways

Provo River Fly Fishing: 3,500 Trout/Mile & Live Flows

The Ultimate Western Fly Fishing Road Trip: Chasing Peak Summer Hatches

Data Insights & Updates

What's On the Menu: The Ultimate Western Hatch and Forage Guide

Every River We Track, On One Map

Low Snowpack Summer 2026: Where to Fly Fish When Western Rivers Run Dry

Launching RiverReports Pro

Using River Flows to Inform Your Stillwater Fishing

All Posts

Carp on the Fly: Where to Go and When to Show Up

How Much CFS Is Too High to Wade? What the Gauge Won't Tell You

Smallmouth Bass on the Fly: How to Read River Flows

Trout Redds: How to Spot Them and Fish the Fall Spawn Right

Winter Fly Fishing: The Rivers That Actually Fish in January

Public vs. Private Water Access in Colorado: What Fly Fishermen Need to Know

Fly Fishing During Runoff Season: Where to Go When Everything Blows Out

Free Camping Near the Best Fly Fishing Rivers in the West

How Water Temperature Affects Trout Fishing (and When You Should Stop)

What's On the Menu: The Ultimate Western Hatch and Forage Guide

Every River We Track, On One Map

Best Trout Rivers in the US: 27 Rivers Across 9 Categories (No Cliches Allowed)

Sun Valley to Stanley Fly Fishing: Idaho's Best Road Trip

Low Snowpack Summer 2026: Where to Fly Fish When Western Rivers Run Dry

Spring Fly Fishing Before Runoff Wrecks Everything

Montana Fly Fishing Rivers: 10 Best, Ranked by Difficulty

Best Time to Fly Fish: Peak Seasons & Hatches for Every State

Best Tailwaters for Fly Fishing: 8 Rivers That Fish Year-Round

Green Drake Hatch 2026: 7 Best Rivers, Timing & Fly Patterns

Colorado Fly Fishing: Best Rivers by Month (2026)

Hunting for Fly-Tying Materials: From Field to Vise

Junk Flies: The Controversial Patterns That Just Keep Catching Fish

Fly Fishing Near Atlanta: Day Trips to Weekend Getaways

Tippet vs Leader Explained: Size Chart & the Divide-by-3 Rule

Provo River Fly Fishing: 3,500 Trout/Mile & Live Flows

The Ultimate Western Fly Fishing Road Trip: Chasing Peak Summer Hatches

The Epic 10-Day Colorado Fly Fishing Trip: Denver to Denver

4 Days of Wade Fishing Around Bozeman: A Long Weekend Itinerary

The 3-Day Utah Weekend That Proves You Can Actually Fly Fish

Top 10 Beginner-Friendly Rivers in Colorado

The 5-Day Beginner Trip That Will Actually Make You a Better Angler

Freestone vs Tailwater Fly Fishing: Reading Water & Tactics

Alpine Lake Fly Fishing: The Complete Guide

Utah Alpine Lake Fishing: Aerial Stocking & Golden Trout

Best Places to Mouse for Trout in the Lower 48

Launching RiverReports Pro

Using River Flows to Inform Your Stillwater Fishing

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