State Park
Utica/Union Reservoirs
Stanislaus National Forest · Twain Harte, CA
Verify with the state park system
State parks set their own rules and reservation systems. Fire bans, road closures, and operating dates change seasonally — check the state park website before traveling.
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Official sources & verification
Managed by State Park
Source of truth
- Agency source page
The page our published rules and notes are derived from.
Reserve or permit
- Reserve on Recreation.gov
Book a site directly with the operator.
Verify by phone or mail
- Address:Twain Harte, CA
About
These scenic small, twin reservoirs are located off the Spicer Reservoir Road.
There are several campgrounds here. Utica Reservoir has Sandy Flat campground and Rocky Point campground with 11 and 12 sites each.
Union Reservoir has West and East campgrounds with 18 and 11 sites
There are also dispersed campsites in this area and boat in campsites that aren’t part of the four campgrounds previously mentioned
The area is popular for day use, as well as paddle sports such as canoeing and kayaking. A primitive dirt boat launch is available at Union East Reservoir. The maximum boat speed is 5 mph. Utica Reservoir is managed for non-motorized boating; it has two dirt ramps designed for hand-launching of non-motorized boats.
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Amenities
Flush Toilets
Accessible
Picnic Tables
Fire Rings
Cell Service
Pet Policy
Pets allowed on leash
Campground Rules
- Campfires generally permitted — verify current fire restrictions before lighting
Within ~30 miles
Trails near Utica/Union Reservoirs
Trail
Elephant Lake Trail
California
3.2 mi515 ftgain
Moderate
Trail
Union Reservoir to Eephant Rock Lake
California
3.0 mi417 ftgain
Easy
Trail
Corral Hollow OHV Trail
California
13.8 mi3,061 ftgain
Expert
Trail
Slick Rock Road
California
3.8 mi531 ftgain
Difficult
Trail
Lake Alpine and Duck Lake Loop
California
9.4 mi1,880 ftgain
Difficult
Trail
Lake Alpine Trail
California
1.4 mi148 ftgain
Easy
Hunt context
Hunting units around this campground
During hunting seasons, wear blaze orange and check regulations — see the California hunting page
Nearby Campgrounds
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