California / San Joaquin River /
Dos Reis County Park Boat Launching Facility
Boat ramp · on San Joaquin River · near Lathrop · California
California Department of Fish and Wildlife has detected golden mussels (latest detection 2025) in the water at this launch. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
California Department of Fish and Wildlife · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Website
- mgzoo.com
- Coordinates
- 37.83069, -121.31140
Conditions
- Weather forecast for this launch · National Weather Service
- Water level, flow, water temperature at the SAN JOAQUIN R NR VERNALIS CA gauge · USGS, 11.0 mi away on San Joaquin River
Water level
Latest reading loads here; without it, see the USGS page below.
USGS gauge SAN JOAQUIN R NR VERNALIS CA, 11.0 mi from this launch on San Joaquin River: water level, flow, water temperature, a reading every 15 minutes. Readings and history at USGS.
On San Joaquin River
River in California. All launches on San Joaquin River.
Community
Where people who use San Joaquin River talk about it.
Nearby launches
- Mossdale Crossing Regional Park Boat Launch Facility · 3.0 mi · San Joaquin River
- Morelli Park Boat Launching Facility · 8.5 mi · McLeod Lake
- Louis Park Boat Launching Facility · 8.9 mi · San Joaquin River
- Buckley Cove Fishing Access · 10.7 mi · Buckley Cove
- Caswell SP Stanislaus River Access · 11.5 mi · Stanislaus River
- Bethany Reservoir SRA · 17.0 mi · Bethany Reservoir
Sources
- California Boating Facilities (Division of Boating and Waterways survey, CDFW Fishing Guide) record 1201 · None stated (CDFW ArcGIS item 97f0b67503e74f52b8f3d8a338357583); credit CDFW and DBW
- OpenStreetMap w496990178 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by California Boating Facilities (Division of Boating and Waterways survey, CDFW Fishing Guide). Something wrong, or is this launch private? Send a correction; it goes to a person.