Caswell Memorial State Park Campground

Star4.21
35 reviews
28000 South Austin Road, Ripon, CA 95366
SwimmingSummer Destination

Quick Facts

69 ft

Price

$30/night

Booking

Reservable

Sites

64 campsites

Season

Year-round

Cell

Unknown

Pets

Very Pet Friendly

RV FriendlyShowers

Opens California State Parks site

Official Website
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Real-Time Availability

Select a month, then check for open campsites

January 2026

Real-Time Availability

Select a month, then check for open campsites

January 2026
Caswell Memorial State Park Campground
$30.00 - $30.00 / night
Campsite Fees
The standard campsite fee is $30 per night. An additional reservation fee of $8.25 applies. One vehicle is included in the registration fee, with...
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Standard Site Fee$30.00
Hookup Site Fee$0.00
Premium Site Fee$0.00
Hike and Bike Site Fee$0.00
Group Site Fee$0.00
Food Storage Locker Fee$0.00

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Reserve California
Provider
209-599-3810interp@parks.ca.gov
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What Campers Say

4.21

Satisfactory

Based on 35 reviews

6 Google reviews

Most mentioned

viewspeaceful

"User reviews highlight the natural beauty of the oak forest and proximity to the Stanislaus River as key attractions for weekend camping. Visitors appreciate the peaceful environment but caution about wildlife and seasonal river conditions."

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Campground Map

28000 South Austin Road, Ripon, CA 95366

Caswell Memorial State Park Campground

28000 South Austin Road, Ripon, CA 95366

Driving directionsFrom Highway 99, take the Austin Road exit and drive south. Follow Austin Road until you reach Caswell Memorial State Park at the end of the road.
The park is accessible via paved roads from Highway 99. There are no seasonal closures mentioned, and the road conditions appear straightforward without challenging terrain.
Nearby places
Ripon (6 miles, approximately 10 minutes)
Manteca (approximately 15 miles, 20 minutes)
Modesto (approximately 25 miles, 30 minutes).
Nearby supplies
Supplies can be obtained in nearby Ripon (6 miles), Manteca (15 miles), and Modesto (25 miles). Specific stores for groceries, camping supplies, or fuel are not listed.

Best Time to Camp at Caswell Memorial State Park Campground

Experience the gentle rhythms of Central Valley seasons, where mild winters hover between 45-50°F—perfect for cozy campfire evenings and peaceful riverside walks. Summer transforms the landscape into a sun-drenched paradise, with temperatures climbing to a warm 85-100°F. During peak summer months from June through September, the mercury can soar above 100°F for several consecutive days, making the river's cool embrace especially inviting. Plan accordingly for mosquitoes during the warmer months—they're part of the thriving ecosystem that makes this place so special.

Summer(Jun-Aug)
2.0 / 5

Summers often exceed 100°F; high mosquito activity and branch-drop warnings reduce comfort.

Fall(Sep-Nov)
4.0 / 5

Fall weekends are peak season with pleasant weather and good access to trails and river activities.

Best
Spring(Mar-May)
4.0 / 5

Spring is a peak season with good weather, birding and river activity; noted as a top visiting time.

Winter(Dec-Feb)
3.5 / 5
Top 23% in CA

Mild winters (45–50°F) suitable for cozy campfire evenings and riverside walks; open year-round.

Planning Tips
  • Peak Season: Peak seasons are spring and fall weekends, most days from May through September.. Book 2-3 months ahead.
  • Operating Season: The campground is open year-round.
  • Current Alerts: Parts of the park are closed due to flood damage and debris. Visitors should confirm the operational status before arriving.

About Caswell Memorial State Park Campground

Escape to a hidden sanctuary where 64 family-friendly campsites nestle beneath the protective canopy of ancient oaks at Caswell Memorial State Park. Here, along the winding Stanislaus River, you'll discover one of California's last remaining riparian woodlands—a lush oasis in the heart of the Central Valley. Each thoughtfully positioned site comes complete with a picnic table, camp stove, and secure food locker, welcoming trailers up to 21 feet and motorhomes up to 24 feet. Wake to the gentle murmur of the river and the melodic calls of woodland birds in this increasingly rare ecosystem that feels worlds away from civilization.
Caswell Memorial State Park Campground offers family camping sites, a group campground, and accessible camping options amidst a mature oak forest. RVs and tents are permitted, but no hookups are available.
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Reserving a campsite

Check-in
Check-in begins at 2 PM.
Check-out
Check-out is at 12 PM.
Stay Limit
Maximum stay of 7 consecutive nights.

Amenities available

Showers
Potable water
Flush toilets
Fire rings
Food storage lockers
Picnic tables

Activities you can enjoy

Caswell Memorial State Park Campground offers an array of activities including hiking, fishing, bird watching, swimming, and seasonal tubing from the campground to the day-use area. Wildlife viewing is popular due to the park's diverse habitat along the Stanislaus River, which supports endangered species such as the riparian brush rabbit and riparian woodrat.
HikingAn extensive network of nature trails offers a glimpse of the valley's riparian ecosystem. The Loop Nature Trail (0.71 miles) and Day-Use to Beach Trail (0.20 miles) are accessible and provide views of oak woodlands and the Stanislaus River. Other trails meander through the majestic oak forest and along the river.
FishingFishing is popular in the slow-moving, muddy-bottomed river. Species include largemouth and smallmouth bass, catfish, bullhead, bluegill, crappie, and pikeminnow. Striped bass and Chinook salmon migrate through the area annually. A valid California fishing license is required for individuals aged 16 and over.
SwimmingSwimming areas are located near the campground, but no lifeguard is provided. Visitors are encouraged to exercise caution and wear life jackets while in or near the river.
BikingBiking is permitted only on paved roads and fire roads within the park. Helmets are mandatory for cyclists under age 18, and bikes must have headlights and reflectors when ridden after dark.
BoatingHand-launch boating is permitted, suitable for canoes and kayaks. Docking facilities are not explicitly mentioned.
Wildlife viewingThe park supports endangered species such as the riparian brush rabbit and woodrat, along with deer, foxes, and numerous bird species including hawks and owls.
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Policies & Safety

Hazards & AlertsVisitors should exercise caution due to a natural phenomenon known as 'summer branch drop,' where healthy tree limbs fall without warning during hot windless days. Mosquitoes are prevalent, especially in summer months.
Active AlertsParts of the park are closed due to flood damage and debris. Visitors should confirm the operational status before arriving.
Food Storage RequiredEach campsite includes a food storage locker to protect against wildlife interference.

Weather at Caswell Memorial State Park Campground

Reviews

4.2
35 reviews
Satisfactory
Satisfactory
Caswell Memorial State Park Campground is satisfactory, placing it in the bottom 60% of campgrounds based on reviews
User reviews highlight the natural beauty of the oak forest and proximity to the Stanislaus River as key attractions for weekend camping. Visitors appreciate the peaceful environment but caution about wildlife and seasonal river conditions.
Review Summaries
Based on 35 reviews

What Campers Love

Positive comments include praise for the 'beautiful oak trees by the river,' the accessibility of trails and facilities, and the opportunities for peaceful nature views and bird watching.
Based on 35 reviews

Common Concerns

Common concerns involve mosquitoes, summer branch drop under large trees, and occasional flooding near the group campground. Theft is also a noted issue, with visitors advised to secure valuables.
Based on 35 reviews

Pro Tips & Recommendations

Tips include bringing mosquito repellant, avoiding shaded areas under mature trees during hot summer days due to summer branch drop, and wearing life jackets while swimming or fishing.
Based on 35 reviews

Seasonal Insights

Users note that summer temperatures often exceed 100°F and recommend preparing for extreme weather. Mosquito activity is especially high during warmer months.
Based on 35 reviews

Camper Quotes

'Beautiful oak trees by the river, just wonderful place to do weekend camping!' (Teresa Baron, 2023)
Based on 35 reviews

Site-Specific Reviews

Best sites for camping include numbers 11, 13, 20, 35, 36, 42, and 45, praised for their location and proximity to amenities.
Based on 35 reviews

Accessibility Features

Accessible campsites are well-reviewed for their paved routes and proximity to accessible showers and restrooms. Accessible trails are also appreciated for their manageable slopes and compact...
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Based on 35 reviews

Pet-Friendly Features

Pets are allowed but must be leashed and confined in tents or vehicles at night. Dogs are not permitted on trails or beaches, limiting their movement within the park.
Based on 35 reviews

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Last updated January 13, 2026
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