Grout Bay / Hanna Flats Loop in Fawnskin
The Grout Bay and Hanna Flats Loop is a challenging 11-mile mixed-surface route located in the Fawnskin area of Big Bear Lake, California. This route climbs from lake level through quiet forest roads and into remote singletrack terrain, eventually reaching the Hanna Flats area and connecting riders and hikers to the Grays Peak option. Known for its solitude and long-distance backcountry feel, this trail quickly transitions from accessible forest paths into peaceful, isolated mountain terrain filled with wildlife, tall pines, and expansive alpine views.
Trail At-A-Glance
Trail Feature | Details |
| Difficulty Level | Moderate to Difficult |
| Trail Length | Approx. 11 miles (loop, with optional extensions) |
| Elevation Range | 6,760 ft (start) to 7,930 ft (Grays Peak option) |
| Surface Type | Paved road, dirt road, and singletrack |
| Dog Friendly? | Yes (Must remain on leash) |
| Best For | Experienced hikers, mountain bikers, endurance riders |
| Key Highlights | Forest roads, singletrack climbs, Grays Peak views, remote wilderness sections |
What to Expect on the Grout Bay / Hanna Flats Loop
This trail is a true backcountry experience and very different from the shorter, family-friendly paths around Big Bear Lake. The loop begins with a steady climb on a forest road for about 2.2 miles toward Hanna Flats. Once you reach the campground area, the real adventure begins as you enter the singletrack section hidden between campsites. From mile 2.2 to roughly mile 4.9, the trail winds through dense pine forest, crossing multiple fire roads along the way. The route is generally well-marked, but it’s important to stay alert and follow existing tracks where the path becomes less obvious.
At around mile 4.9, you reach a key junction where riders and hikers can choose to continue the loop or take the optional Gray’s Peak out-and-back extension. This side trail climbs toward rocky viewpoints where you can rest, enjoy snacks, and take in wide views of Big Bear Lake from above. After the peak section, the route descends back through forest roads and singletrack, eventually reconnecting toward Grout Bay and returning to Fawnskin.
Where is the Grout Bay / Hanna Flats Loop? (Parking & Access)
The main access point for this loop is near the Fawnskin Triangle area on the north side of Big Bear Lake.
- Starting Point: Near the Fawnskin Triangle parking area in Fawnskin
- Climb Route: Forest road climb toward Hanna Flats Campground
- Gray’s Peak Option: Located off the main fire road at the 4.9-mile junction
- Return Route: Loop descends back toward Grout Bay Trail access roads and returns to Fawnskin
Parking is generally available near the Fawnskin shoreline and triangle area, but it is best to arrive early on weekends, especially during summer.
Make a Day of It: Explore Fawnskin & the North Shore
The Grout Bay / Hanna Flats Loop offers more than just an incredible hike—it provides an opportunity to experience the peaceful side of Big Bear Lake. Begin your morning with breakfast at your favorite Destination Big Bear cabin before heading to the trailhead in Fawnskin.
After completing the hike, take time to explore the quiet lakeside community, enjoy the scenic shoreline, or simply relax while taking in the fresh mountain air. The north shore’s slower pace makes it the perfect destination for visitors looking to escape the crowds and reconnect with nature.
Frequently Asked Questions – FAQs
The loop is approximately 11 miles. Most hikers complete it in 4 to 6 hours, while mountain bikers may finish faster depending on pace and stops.
No, this trail is best for intermediate to advanced hikers or riders due to its distance, elevation gain, and remote sections.
Conditions vary. Spring through early fall is best, while snow and mud can make sections difficult or inaccessible in winter.
Yes, the optional Gray’s Peak out-and-back is highly recommended for panoramic views of Big Bear Lake and surrounding ridgelines.
The most common parking area is near the Fawnskin Triangle along the north shore of Big Bear Lake.
Bring water, snacks, navigation (map or GPS), layered clothing, and sun protection. This is a remote trail with limited services.
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