680 Trail

Embark on the Solstice and 680 Trail Loop for a moderate hiking experience spanning 8.0 miles (12.9 km). You will gain 1729 feet (527 metres) in elevation, taking about 4 hours and 3 minutes to complete. The route offers panoramic ridge-top vistas across the Marin foothills, with clear views of San Pablo Bay and the East Bay hills. As you hike, you'll pass through coast live oak and California bay trees, with wildflowers adding color to the rolling hillsides. Expect varied terrain, including some rocky sections and potentially muddy spots after rain.

When planning your visit, note that the 680 Trail section of this loop is shared with mountain bikers, so stay aware of others on the path. Parking is generally available at the trailheads that access the Loma Alta Open Space Preserve. The trail is mostly easy to follow, but be ready for some steep sections that will challenge you. Coming prepared for a good workout will enhance your experience. Consider starting early to enjoy cooler temperatures and fewer people.

This loop is set within the Loma Alta Open Space Preserve, known for its diverse landscapes. You will get a full profile of Mount Tamalpais from various viewpoints along the way, offering excellent photo opportunities. The trail's blend of scenic beauty and engaging paths makes it a rewarding option for those seeking a substantial hike in the region.