Ridge View & Elderberry Trail Junction

Embark on the Las Trampas and Rocky Ridge Loop, a difficult hiking adventure spanning 13.7 miles (22.1 km) with a significant elevation gain of 3169 feet (966 metres). You can expect to spend around 7 hours and 2 minutes traversing its varied terrain, which includes steep service roads, bumpy singletrack, and fire roads. The highlight of this route is undoubtedly the expansive panoramic views from Rocky Ridge, where you can often spot Bollinger Canyon, Mount Diablo, and even the San Francisco skyline on a clear day. As you hike, you'll also encounter rolling grassy hills, particularly vibrant in winter and spring, and might even see unique rock formations and grazing cattle.

When planning your visit, be aware that the trail can be quite muddy and rutted during winter and early spring, especially in areas where cattle graze. If you plan to hike during the summer months, prepare for sun-baked and dusty conditions, so bring plenty of water and sun protection. It's also important to note that some sections of the trail, particularly those extending onto East Bay Municipal Utility District (EBMUD) property, may require a permit, so check ahead of time.

This loop offers a rewarding experience within the Las Trampas Regional Wilderness, known for its diverse landscapes and wildlife. The area's unique geology contributes to the varied terrain and distinct rock formations you'll encounter. The rolling grassy hills provide a striking contrast to the distant urban skyline, making this trail a notable escape for those seeking a challenging hike with expansive vistas in the region.

Embark on the Rocky Ridge View and Elderberry Trail Loop, a moderate hike spanning 4.7 miles (7.6 km) with a total elevation gain of 910 feet (277 metres). You can expect to complete this route in about 2 hours and 21 minutes, offering a good workout. As you ascend, you'll be treated to expansive panoramic views, stretching across Bollinger Canyon to the Oakland Hills and Mount Diablo. On clear days, you might even spot San Francisco in the distance. The rolling grassy hills are particularly vibrant in spring, adorned with wildflowers like California golden poppies. The Ridge View - Sycamore Trail Junction provides an excellent spot to pause and soak in the scenery.

For your visit, parking is generally available at the Bollinger Canyon Trailhead, which also offers restrooms and drinking water. Be aware that certain sections of the trail may necessitate an annual permit from EBMUD, so check requirements before you go. Since much of the route is exposed, prepare for sun by bringing adequate protection. Additionally, wear sturdy hiking boots to navigate the varied terrain comfortably.

This trail is notable for its sweeping vistas that showcase the diverse landscape of the Las Trampas Regional Wilderness. The opportunity to see distant landmarks like Mount Diablo and even San Francisco highlights the unique geographical position of the ridge. The seasonal display of wildflowers adds another layer of natural beauty, making spring an especially rewarding time to experience the loop.