Tunitas Creek Road Loop

This loop is classified as a difficult road ride, demanding very good fitness. It features significant elevation gain, with the Tunitas Creek climb itself having an average gradient of about 5% and steeper sections reaching up to 18%. The total elevation gain is around 1,490 meters (approximately 4,900 feet) over its 104 km distance.

Yes, for a slightly less challenging experience, consider riding the loop counter-clockwise. This approach means you'll descend Tunitas Creek Road and climb Route 84, which is generally considered the easier direction compared to tackling Tunitas Creek Road as an ascent.

The route offers incredibly diverse scenery, transitioning from dense redwood forests to coastal hills, open ranch land with grazing animals, pumpkin patches, flower farms, and wind-swept coastal scrubland near the ocean. Tunitas Creek Road itself can be narrow and winding, with varying road surfaces.

You'll encounter several highlights, including scenic views like San Andrea's Lake View and Pacifica Beach Overlook. A unique stop is Tunitas Creek Road and The Bike Hut, an honor-system supply shack. You'll also pass by Lower Crystal Springs Reservoir and San Andreas Lake.

Yes, the route incorporates sections of several other trails. Notable ones include the Crystal Springs Regional Trail, Pacific Coast Bike Route (North and South), Skyline Boulevard, and the Devil's Slide bikeway (old Hwy 1).

While specific parking areas aren't detailed, cyclists often start from various points along the loop, such as near the Crystal Springs Reservoir or coastal towns. It's advisable to research parking availability at your chosen starting point, keeping in mind that some sections, like Skyline Boulevard, can have limited shoulder space.

Generally, there are no specific permits or fees required to cycle the Tunitas Creek Road Loop itself. However, parts of the route pass through the San Francisco Peninsula Watershed, which has specific regulations regarding access and activities to protect water quality. Always observe posted signs and local rules.

The San Francisco Peninsula generally offers good cycling weather year-round. Spring and fall often provide mild temperatures and clear skies, making them ideal. Summer can be foggy along the coast, while winter might bring rain, though sunny days are still common. Always check the local weather forecast before heading out.

This route is primarily a road cycling loop, and while dogs are generally not permitted on bikes on public roads without proper carriers, specific trail sections it intersects may have different rules. It's best to assume it's not suitable for dogs running alongside bikes due to traffic and the nature of the ride.

Yes, a unique and beloved feature is The Bike Hut, an unattended, 24/7 honor-system shack at Potrero Nuevo Farm, offering snacks, drinks, and emergency supplies. Additionally, you'll pass through areas where cafes and small shops might be available, especially closer to coastal towns.

Tunitas Creek Road itself generally has light traffic, though it can be narrow and winding with limited to no shoulder in parts. Sections on Skyline Boulevard, however, can be busier and are sometimes described as 'nerve-wracking' due to car traffic and a lack of shoulder, so exercise caution.