Mariposa County Boat Ramps, California
Mariposa County tracks 4 public boat ramps and access points in total, spread across 2 different rivers, creeks and lakes - most notably Lake McClure (3 ramps) and Lake McSwain (1 ramp). Each listing below shows which waterbody it's on, so you can tell at a glance which ones actually connect.
Sourced from official state and federal agency records, last synced on a recurring schedule. Read more about how we verify this data.
Current weather
77°F
Full NWS forecast
· via National Weather Service
Last updated Aug 27, 2026 at 3:10 PM
Interactive Map of Public Boat Ramps in Mariposa County
Explore every public boat ramp in Mariposa County on the interactive map below. Compare launch locations, find the closest boat ramp to your destination, and open each ramp for detailed information including fees, amenities and access details.
Zoom in to compare nearby launches, or switch to satellite view for shoreline detail.
All boat ramps in Mariposa County
Waterways in Mariposa County
These are the rivers, creeks and lakes with public boat ramps in Mariposa County. Ramps on the same waterway don't always sit close together on a map - some of these stretch across the whole county.
Browse by waterway type across all of California:
Boat ramp distribution
Boat ramps in Mariposa County aren't spread evenly across its 2 waterways. Lake McClure has the most, with 3 launch sites, followed by Lake McClure (3 ramps) and Lake McSwain (1 ramp). On the other end, 1 waterway - including Lake McSwain - have just a single public launch point each.
Boat ramps in neighboring counties
If Mariposa County doesn't have what you're looking for, these bordering counties are worth a look too.