Castle Rock Trail
Length: 1.42 mile Difficulty: Moderate
Castle Rock Trailhead is located just off Big Bear Blvd (Hwy 18), about 1 mile east of Boulder Bay Park. Look for a small brown wooden trail sign on the south side of the road. There is no official lot, so park along the highway shoulder (legally) and be cautious when crossing.
As you climb, you’ll get glimpses of Big Bear Lake through the trees. The summit features massive rock formations (hence the name), where adventurous hikers can scramble to the top of the peak for unbeatable views.
Moderate 1- 1.5 hour Trip (580 feet elevation gain)
Big Bear Lake is an outdoor playground. There are hiking trails for every skill level.
Find more information about Big Bear Hiking Trails, News, Guides, Safety, Dog-Friendly Hiking, and Events all listed here.
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Frequently Asked Questions – FAQs
Most trailheads, recreation areas, and parking lots in the Big Bear Valley require an adventure pass. Find more info HERE about the National Forest requirements before planning your next hiking or biking trip.
Adventure Passes are required for parking at any U.S. Forest trailheads and recreation areas. Daily Passes are available at the Big Bear Visitors Center. You may also use your America the Beautiful (National Park) Pass. Just leave it on your dashboard before you head out on the trail.
The Castle Rock Trail in Big Bear is considered a moderate to difficult hike due to its steep, consistent uphill climb over rocky terrain, offering rewarding views for a relatively short but intense effort.
Yes, dogs are allowed on the Castle Rock Trail in Big Bear, but they must be kept on a leash, and owners are responsible for cleaning up after them.
The Castle Rock Trail in Big Bear is approximately 1.42 miles and typically takes 1 to 1.5 hours to complete due to its steep incline.
Finding parking for the Castle Rock Trail in Big Bear can be challenging, as the most common parking area is a small, unmarked dirt pull-off on the south side of Big Bear Boulevard (Highway 18), directly across from the trailhead, so arrive early, especially on weekends.
Hiking Trail etiquette is a standard set of guidance for hiking in-general. Proper etiquette is important to maintaining the natural environment around wilderness trails. Please:
- Stay on the designated trails
- Try to avoid stepping on wildflowers, bushes, and other plant life
- Don’t be a litter-bug. Do not leave trash along the trails or in the wilderness
- Avoid wildlife you come across on trails
- Clean-up after your dog
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July 10, 2025 Updated 1:37 PM
