Welcome to launch. We are currently expanding our databases quickly — user input and corrections are needed and appreciated. The content and functions on this site are deep. If you find something that is out of order, please let us know.
California · Unknown Co.

South Fork American River

· 21 mi · Class
Optimal: 300–900 CFS · USGS #11519500
603 avg
171CFS
5.00 ft gauge height
Below Optimal
→Stable
⚡Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
Avg flow: 603 cfsHist. median: 0 cfsUSGS #11519500
Bureau of Land Management

About

The South Fork American runs 21 miles under Bureau of Land Management oversight at an average 603 CFS, with optimal conditions between 300–900 CFS according to gauge 11519500. Commercial and private boaters coordinate launches through the BLM permit system for access to this regulated corridor. The river maintains consistent flows through controlled releases, making it a reliable choice when other Sierra Nevada drainages run low or high.

Solunar Fishing Activity
🌒
Waxing Crescent
15% illumination
Poor
★ Moon overhead
11:40 AM
Moonrise
4:18 PM
Moonset
7:02 AM
★ Moon underfoot
11:40 PM
Next full moon: May 3111 days
10-Year Flow Patterns
See 10 years of flow patterns for this river — historical analysis is a Pro feature.Upgrade to Pro →
Your Optimal Range
Set your personal optimal CFS window per river — custom ranges are a Pro feature.Upgrade to Pro →
Data Quality

River conditions are community-verified. CFS ranges, difficulty ratings, and access points may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level.

Know the South Fork American River? Your local knowledge makes this page better for every paddler, angler, and guide who comes after you.
Improve This River →