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 — 14,006 gauges across 367 rivers and 478 runs.
Live gauge readings — see all on the flows pages.
Today's featured run
Lower South Boulder Creek
on South Boulder Creek · Colorado - US
- Class
- IV+ to V
- Current flow
- 67 cfs 39 minutes ago
- Status
- Too Low
While this run will never be accused of having world class whitewater, it's proximity to Boulder, wilderness feel, a few fun rapids, and occasional off season releases tend to keep people coming back. This run starts below Gross Reservoir, and therefore the flow is dependent o...
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