Terra Linda Ridge and 680 Trail

The Terra Linda Ridge and 680 Trail is particularly beautiful in late fall after the first rains, throughout winter for cooler hiking days, and especially in spring when the hills are lush green and wildflowers are in bloom. Birdwatching, especially for raptors, is also a highlight during these seasons.

The preserve is highly accessible with multiple access points from various neighborhoods. While specific parking lots aren't detailed, you can often find street parking near trailheads in the surrounding Terra Linda and Sleepy Hollow areas. Always check local signage for parking restrictions.

Yes, this trail system is dog-friendly! Dogs are often allowed off-leash if they are under voice control. Please be mindful of other trail users and local regulations regarding pet waste and leash requirements in specific areas.

Generally, open space preserves in Marin County, including the Terra Linda-Sleepy Hollow Divide Open Space Preserve, do not require permits or charge entrance fees for day use. However, it's always a good idea to check the official Marin County Parks website for any specific regulations or updates before your visit.

You'll encounter a varied terrain on this route. Expect a mix of wide multi-use fire roads, some of which might start paved or with crumbling pavement before transitioning to dirt. There are also narrower singletrack sections. The preserve is known for its 'steep rollers' or 'sharp hills,' so be prepared for significant elevation changes, as well as some flatter sections. During the rainy season, some areas can become muddy.

Hikers are treated to breathtaking panoramic views. You'll see the Terra Linda and Sleepy Hollow neighborhoods, distant Mount Tamalpais, Lucas Valley, and Big Rock Ridge. On clear days, you might even spot San Pablo Bay and the East Bay hills. The 680 Trail, in particular, offers superb views of the Fairfax area and San Geronimo Valley as it contours around Loma Alta.

Yes, the 680 Trail is a crucial 2.9-mile link between the Terra Linda-Sleepy Hollow Divide Open Space Preserve and the Loma Alta Open Space Preserve, significantly expanding hiking opportunities. The route itself also passes through sections of the Terra Linda Ridge Fire Road, Luiz Ranch Fire Road, Irving Fire Road, and Sleepy Hollow Fire Road.

While some sections, particularly on the Terra Linda Ridge Fire Road, can be relatively easy or nearly flat, many parts of the preserve involve significant elevation changes and steep ascents and descents. The overall route is rated as 'moderate.' For beginners or families, consider shorter out-and-back sections on the flatter fire roads, but be prepared for challenging climbs if you tackle the full route or longer loops.

Beyond the expansive views, keep an eye out for vibrant wildflower displays in spring across the grassy hillsides. You'll also find pockets of shade from California bay and oak trees. During the rainy season, the 680 Trail even boasts a small waterfall. The connectivity of the trail system, linking to Loma Alta, is also a notable feature, allowing for longer, more varied treks.

The Terra Linda Ridge and 680 Trail is situated near residential neighborhoods like Terra Linda and Sleepy Hollow. You'll find various amenities, including cafes and shops, in these local areas, particularly in the commercial centers of Terra Linda, which are easily accessible by car after your hike.

The trails within this system are multi-use, welcoming a variety of outdoor enthusiasts. You'll share the paths with hikers, equestrians, and cyclists. The 680 Trail, in particular, was specifically designed to accommodate both hikers and mountain bikers harmoniously, making it a great spot for diverse recreational activities.