Dos Reis Regional Park Boat Launch
- Type
- County park boat launch on the San Joaquin River
- Address
- 890 W. Dos Reis Rd., Lathrop, CA 95330
- Operator
- San Joaquin County Parks
- Hours
- 8 a.m. to sunset
- Boat launch
- Camping
- Fire rings
- Restrooms
About this boat ramp
Dos Reis Regional Park is a San Joaquin County park on the San Joaquin River in Lathrop, about half a mile off Interstate 5. It has a public boat launch ramp, a small campground and shaded picnic areas.
Launching
Vehicles with trailers pay $12 for day use, and the park opens at 8 a.m. The river can run high, cold and fast after wet winters, and the county has closed the launch during floods, so check conditions first.
Camping
The campground has 22 RV sites with full hookups and weekend tent camping, plus showers, fire rings, barbecues and a playground. Reserve by phone or online.
Getting there & access
Getting there
The park is about half a mile off I-5 in Lathrop, at the end of Dos Reis Road.
River conditions
After wet winters the San Joaquin runs high, cold and fast, and the county has closed the launch during flood season. Check before you tow.
- Trailer parking
- $12 per day
- Camping
- 22 full-hookup RV sites; weekend tent camping
- Phone
- (209) 953-8800
What's here
Launch ramp
Public boat launch ramp on the San Joaquin River
RV camping
22 RV sites with full hookups
Restrooms
Showers and flush toilets
Fire rings
Fire rings, barbecues and shaded picnic tables
Rules & official resources
- Day use $5 weekdays, $6 weekends; $12 for vehicles over 22 feet or with a trailersjparks.com ↗
- The county has closed the launch during high river flows; check before visitingescalontimes.com ↗
- California Boater Card required for all operators of motorized vessels, regardless of age, since January 1, 2025dbw.parks.ca.gov ↗
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