River Explorer
Rivers in California
Community-mapped river reaches across California. Length, water type, and live USGS flow where a gauge sits on the water.
97 rivers
California
All riversShowing 97–97 of 97 rivers
The map plots all 97 rivers. The 1 on this page are highlighted.
State rankings
- Free to browse
- USGS-sourced rivers
- Open in the app for live flow and tracking
River data from the USGS National Hydrography Dataset (public domain). Live flow, where shown, from USGS Water Data.
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Everything Map
Listings, trails, spots, clubs and public land on a single full-screen map. Switch layers on and off, then tap any point for the details.
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Find public boat ramps and hand-launches on a map, with the access details that matter.
Open Boat LaunchesRoute Planner
Drop stops on a map and watch distance and drive time add up. Export a GPX or share the link.
Open Route PlannerBoat Clubs
Browse local clubs with meeting info and how to join, or start your own for free.
Open Boat ClubsLive Conditions
Real-time conditions spot by spot, pulled from public weather feeds, before you commit to the drive.
Open Live ConditionsMarine Forecast
Swell, wind, and tide for the days ahead, broken out by spot. Free, no paywall.
Open Marine Forecast
