Beginner Guides
Learn Fly Fishing
Data-driven guides for people who want to understand what they're doing — not just copy someone else's fly box. Start with the gauge guide if this is your first time on a Colorado river.
ConditionsUSGSBeginner
How to Read a USGS Stream Gauge
CFS, gauge height, and why the number on your phone screen determines whether your day is going to be great or a waste of a drive.
6 min readRead →
FliesTechniqueBeginner
How to Pick the Right Fly
Match the hatch is real — but it's not magic. Here's a practical system for choosing between nymphs, dries, and streamers that actually works on Colorado rivers.
8 min readRead →
Ready to check conditions?
Apply what you've learned — live CFS data for all 5 Colorado rivers.