The best road cycling routes in Thornewood Open Space Preserve (Closed Area)

No, bicycles are explicitly not allowed within Thornewood Open Space Preserve itself. The road cycling routes in this guide utilize public roads adjacent to the preserve, such as Old La Honda Road, which are popular among cyclists.

There are over 50 road cycling routes available in the area surrounding Thornewood Open Space Preserve. These routes offer a variety of experiences, from easy loops to more challenging ascents on public roads.

The routes vary in difficulty. You'll find options ranging from easy, like the Manzanita Way – Tree Tunnel on Portola Road loop from Portola Valley, to moderate and challenging rides with significant elevation gains, such as the Old La Honda Road – Manzanita Way loop from Portola Valley. The region features forested hills and demanding climbs.

Yes, there are easier routes suitable for families or those seeking a less strenuous ride. The Manzanita Way – Tree Tunnel on Portola Road loop from Portola Valley is an easy 14.5-mile (23.3 km) path that offers a gentler ride through scenic, shaded woodlands.

The routes primarily traverse forested hills with diverse woodlands, including redwood, Douglas fir, oak, and madrone. You'll experience sunlit canopies and moss-covered trees. From certain vantage points along the public roads, you may even catch glimpses of the southern San Francisco Bay and the Diablo Range.

Yes, many of the road cycling routes in the area are designed as loops. For example, the Old La Honda Road – Manzanita Way loop from Portola Valley and the Tree Tunnel on Portola Road – Lower Kings Mountain Road loop from Portola Valley are popular circular options.

The region generally offers good cycling conditions for much of the year. Spring brings wildflowers, and the diverse foliage provides beauty in other seasons. While winter conditions can occur, the well-paved public roads are generally accessible. Always check local weather forecasts before heading out.

The road cycling routes in the Thornewood Open Space Preserve area are highly rated by the komoot community, with an average score of 4.6 stars from over 40 reviews. Cyclists often praise the challenging climbs, well-paved surfaces, and the scenic forested terrain.

While cycling is not permitted inside the preserve, the adjacent public roads offer views of the surrounding natural landscape. The preserve itself features Schilling Lake and diverse forests. From higher elevations on the cycling routes, you might catch distant views of the southern San Francisco Bay and the Diablo Range.

Parking options are typically available in nearby towns like Portola Valley, which serve as common starting points for these routes. Specific parking details can often be found on individual route descriptions on komoot or by checking local municipal parking information.

Absolutely. The area is known for its challenging climbs, particularly on roads like Old La Honda Road. Routes such as the Old La Honda Road – Old La Honda Road loop from Portola Valley offer significant elevation gains and are popular among experienced riders looking for a demanding workout.