Buggin field notes

Fly fishing guides and field notes

Understand trout behavior, read changing river conditions, choose flies for the season, and compare tools for planning your next day on the water.

All guides

Choose a place to start

Full app comparison

Compare conditions, maps, hatches, access, logging, and community tools by the job each app does best.

7 apps · use-case comparisonRead guide

Free fishing tools

Compare five useful free fishing apps, understand their limits, and decide whether you need a paid plan.

5 free picks · 2 fishing specialistsRead guide

Seasonal insect reference

Use a seasonal Western trout-stream hatch chart to choose mayfly, caddis, stonefly, and midge imitations, with fly sizes and local timing advice.

Fishing field guide · October 2026Read guide

Reading river data

Read USGS river flow charts, understand CFS and gage height, compare flow trends, and use real river data to plan a fly fishing trip.

Fishing field guide · October 2026Read guide

Practical workflow

Use TroutRoutes to find and access trout water, then use Buggin to read conditions and plan the fishing day.

Mapping + conditions guideRead guide

Weather and river conditions

Learn when rain helps trout fishing, how runoff changes flow and clarity, which flies to try, and when storms make the river unsafe.

Fishing field guide · October 2026Read guide

Trout behavior and fish care

Understand trout water temperature, feeding, oxygen, and heat stress. Learn to interpret live readings and make responsible fishing decisions.

Fishing field guide · October 2026Read guide

Seasonal fishing strategies

Find winter trout holding water, choose flies, and adjust your timing and presentation using river temperatures, flows, and conditions.

Fishing field guide · October 2026Read guide