Harkins Ridge, Craig Britton, and Purisima Creek Trail Loop

The loop typically starts from the Purisima Creek Redwoods trailhead. Parking is available at the preserve's main parking areas. It's advisable to arrive early, especially on weekends, as parking can fill up quickly.

This loop is generally considered a moderately challenging route. Hikers should be prepared for significant elevation changes, including steep ascents, particularly along the Harkins Ridge Trail. Good fitness is recommended.

The trail offers diverse scenery, transitioning from oak and bay forests to lush coastal scrub and towering redwood groves. You'll hike alongside Purisima Creek, experience excellent redwood views on the Craig Britton Trail, and enjoy spectacular views of the San Mateo County Coast and the Pacific Ocean from Harkins Ridge. The understory is rich with ferns, berries, and wildflowers.

No, dogs are generally not allowed on the trails within Purisima Creek Redwoods Open Space Preserve to protect wildlife and natural habitats. Please check the preserve's official regulations before your visit.

The trail is open year-round. It offers a cool and shaded escape during warmer months. However, winter hikes after rain can lead to muddy conditions. The diverse microclimates mean creek areas remain cool and moist, a welcome respite during hotter weather, while ridge sections can be more exposed.

There are typically no entrance fees for Purisima Creek Redwoods Open Space Preserve. However, parking fees may apply at certain trailheads. It's always a good idea to check the Midpeninsula Regional Open Space District's official website for the most current information on fees and regulations.

You'll pass through ancient redwood groves, some of which were former 19th-century logging sites, with remnants like old redwood stumps. Keep an eye out for wildlife such as bobcats (like the one spotted near Bobcat in Purisima Creek Redwoods Open Space Preserve), mountain lions, and coyotes. Along the Craig Britton Trail, there's a commemorative plaque with an inspiring quote about land preservation.

Yes, this route incorporates sections of several official trails. It notably constitutes the first official section of the Bay Area Ridge Trail - 04 - San Francisco and Peninsula. You will also hike along parts of the Harkins Ridge Trail, Craig Britton Trail, and Purisima Creek Trail.

Given the moderate difficulty and significant elevation changes, bring plenty of water, sturdy hiking shoes, and layers of clothing as temperatures can vary between the exposed ridges and shaded creek areas. Trekking poles can be helpful for the steep sections.

While the preserve offers many trails, this specific loop is moderately challenging with significant elevation gain and a distance of over 7 miles. It might be too strenuous for very young children or those new to hiking. Shorter, less challenging options within the preserve might be more suitable for families.

The Harkins Ridge Trail includes a 'brutally steep climb' in certain sections, so be prepared for a strenuous workout. If you prefer a more gradual ascent, consider which direction you tackle the loop. Also, while ridge sections can be warm and exposed, the creek areas remain consistently cool and moist, offering a refreshing break on hotter days.