Rivers · Runs · Gauges
The online guide to
the world's waterways.
Real-time flows, rapids, put-ins and take-outs for paddlers, rafters and anglers — 14,008 gauges across 367 rivers and 478 runs.
Live gauge readings — see all on the flows pages.
Today's featured run
Cave Falls Run
on Fall River · Idaho - US · Wyoming - US
- Class
- III to III+
- Current flow
- 212 cfs about 1 hour ago
- Status
- Too Low
A very scenic 14 mile run near Yellowstone National Park's southwest corner. Keep an eye out for bears and bald eagles. Also be alert for wood and tree hazards. Be sure to visit Cave Falls at the end of the Road since you are in the area. This is in Yellowstone National Park s...
Run detailsFrom the gallery
Built for the put-in decision
One place to answer the only question that matters the night before: is it running?
Flows
Live readings from USGS, CDWR and CDEC gauges with 12- and 24-hour trend arrows and runnable ranges per run.
Check a gaugeRivers & Runs
Beta for 478 runs: class ratings, rapids, access points, camps and community trip reports.
Find a runMap
Every run, rapid, gauge and access point on an interactive topo map — flow colors show what's running right now.
Open the map