California Marshes & Swamps with Boat Ramps

California has 7 marshes & swamps with at least one public boat ramp, totaling 7 launch sites we track. Fresno Slough has the most, with 1 ramps alone.

7 Marshes & Swamps
7 Boat ramps
Fresno Slough Most ramps (1)
4 Counties covered

Average of 1 boat ramps per marshes & swamp.

Click a marker to open that waterway's page, or zoom in to compare nearby options.

All California Marshes & Swamps with Boat Ramps

All 7 California marshes & swamps with public boat ramps are listed below. Marshes & Swamps are sorted alphabetically by default, or you can reorder them by number of launch sites. Click any marshes & swamp to view detailed ramp locations, maps, launch information and available facilities.

Good · Fair · Poor - EPA water quality assessment, shown only where every ramp on that marshes & swamp falls within the same watershed.

Other waterway types in California

Marshes & Swamps aren't the only way ramps are organized here - browse another type below.

Sourced from California Department of Parks and Recreation. Data on this page was last updated August 18, 2026, based on the latest ramp data update. See all waterways and counties in California →