Bear Gulch Caves Trail is one of the most unique and adventurous hikes in Pinnacles National Park, weaving through a series of talus caves formed by massive boulders wedged into a narrow canyon. The trail begins in Bear Gulch and quickly transitions from open canyon views into darker, cooler passages where hikers navigate stairways, tight spaces, and occasional low-light sections, sometimes requiring a flashlight or headlamp depending on conditions. Seasonal closures are common to protect nesting bats, so it’s worth checking ahead before visiting. If open, the route continues up to the scenic Bear Gulch Reservoir, where calm water contrasts with the rugged rock formations below. It’s a moderately challenging hike that blends geology, a bit of adventure, and one of the most memorable landscapes in the park.

Pet-friendly: No, pets are not permitted.

Soft adventure: Mostly, there are some tight and narrow spaces that some might find more challenging

Seasonality: All seasons (pending seasonal closures for bat nesting)

Fee: $30 per vehicle entry fee

AllTrails: https://alltrails.pxf.io/dyynj7

Check out our blog write-up on this park: https://smilkoslens.com/ultimate-guide-pinnacles-national-park