
easy
2–4 hours
Suitable for all fitness levels with easy trail segments and flat day-use areas
Discover the perfect day-use spot for river fishing, picnics, and off-road trails at Sourgrass Day Use in Arnold, California. Experience pristine riverbanks, trout fishing, and scenic trails along the Stanislaus River.
The Stanislaus River moves fast in early seasons; swimming is unsafe and strongly discouraged.
Trails may be rocky and sections near the river can be muddy or slippery, so suitable footwear is important.
If exploring the off-road 4x4 trail, ensure your vehicle has sufficient clearance to handle rough terrain.
Help keep the area clean by taking all trash with you and respecting the natural environment.
The Stanislaus River and surrounding lands have long supported local recreational fishing and have been part of regional forestry and river management efforts.
Visitors are encouraged to follow leave-no-trace principles to protect the river ecosystem and maintain the area’s natural beauty.
Necessary for trout fishing in stocked and wild populations along the riverbanks.
spring|summer|fall specific
Provides stability and protection for rocky, slippery trails and riverside terrain.
all specific
Staying hydrated is essential during outdoor activities regardless of the season.
all specific
Allows adaptation to variable weather, especially important in cooler mornings and evenings.
all specific