Mossdale Crossing Regional Park Boat Launch
- Type
- County two-lane launch ramp
- Address
- 19091 S. Manthey Rd., Lathrop, CA 95330
- Operator
- San Joaquin County Parks
- Ramp
- Two lanes with a floating dock
- Boat launch
- Restrooms
About this boat ramp
Mossdale Crossing Regional Park is a San Joaquin County park off Interstate 5 between Tracy and Manteca, built around a large two-lane boat ramp with a floating dock. From here you can reach the San Joaquin, Middle and Old Rivers in the south Delta.
Launching
The park opens at 8 a.m. and closes at sunset. Vehicles with trailers or over 22 feet pay $12 to park. There are picnic tables and restrooms.
River conditions
After wet winters the San Joaquin runs high, cold and fast, and the county has closed the park during floods. Check conditions before you tow.
Getting there & access
Getting there
Exit I-5 at Manthey Road between Tracy and Manteca; the park is on the San Joaquin River.
Flood season
The county has closed the park during high water. Check San Joaquin County Parks before you go after a wet winter.
- Hours
- 8 a.m. to sunset
- Trailer parking
- $12 per day
- Phone
- (209) 953-8800
What's here
Launch ramp
Large two-lane ramp with a floating dock
Restrooms
Restrooms and picnic tables
Rules & official resources
- Open 8 a.m. to sunset; $12 for vehicles over 22 feet or with a trailersjparks.com ↗
- The county has closed the park during high river flowsescalontimes.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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