4.8
(4007)
5,962
hikers
01:21
4.27km
160m
Hiking
Hike the easy 2.7-mile Summit Rock Loop Trail in Castle Rock State Park, winding through redwoods to Indian Rock and scenic mountain views.
Last updated: February 26, 2026
Waypoints
Start point
Get Directions
615 m
Highlight • Climb
Tip by
4.27 km
End point
Way Types & Surfaces
Way Types
2.30 km
1.74 km
141 m
< 100 m
Surfaces
2.18 km
1.88 km
127 m
< 100 m
Sign up to see more specific route details
Sign up for free
Elevation
Highest point (930 m)
Lowest point (790 m)
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Wednesday 8 July
24°C
8°C
-- %
Additional weather tips
Max wind speed: -- km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
The trail is located within Sanborn County Park. You can typically find parking at the main entrance of Sanborn County Park. Be aware that parking lots can fill up, especially on weekends.
Yes, this trail is generally considered easy to moderate, making it a good option for beginners and families. While some sections may have uneven terrain, it's not overly challenging and offers a pleasant, shaded experience.
Spring is an excellent time to visit, as the trail is lined with beautiful wildflowers like violet lupine and larkspur. However, be aware that parts of Summit Rock may be closed between February and August due to peregrine falcon nesting. Fall also offers pleasant hiking conditions.
Dogs are generally allowed on trails within Sanborn County Park, but they must be kept on a leash at all times. Please check specific park regulations before your visit.
While the Summit Rock Loop Trail is primarily in Sanborn County Park, it's adjacent to Castle Rock State Park. Castle Rock State Park typically has a day-use parking fee. It's always best to check the official California State Parks website for the most current fee information and any permit requirements.
You'll hike through a pleasant, shaded forest of redwoods and tanoaks. The trail features huge boulders, some suitable for beginner rock scrambling, and you might even rock-hop across Bonjetti Creek. Expect singletrack or old doubletrack paths. When accessible, Summit Rock offers stellar views of the Santa Cruz Mountains.
A significant feature is Indian Rock, a large sandstone boulder with mini-caves perfect for exploration. You might also spot peregrine falcons soaring overhead, especially outside of their nesting season.
Yes, the route also passes through sections of the Summit Rock Loop Trail, Bay Area Ridge Trail - 04 - San Francisco and Peninsula, Castle Rock Trail, Saratoga Gap Trail, and Skyline Trail.
The area is known for peregrine falcons, which nest seasonally on Summit Rock. You might also see other local birds and small mammals typical of a redwood and tanoak forest environment.
Sanborn County Park is a natural area, so amenities directly at the trailhead are limited. For cafes, restaurants, or other services, you would need to drive to nearby towns like Saratoga or Los Gatos.
The Summit Rock Loop Trail is described as a pleasant, shaded loop, and some sections are less used, meaning you are unlikely to encounter many other people, offering a more tranquil hiking experience.
Comments
Want to know more?
Sign up for a free komoot account to join the conversation.
Sign up for free