The best running trails in Calero County Park

Calero County Park offers a diverse network of over 10 running routes. These trails span more than 18 miles, providing a variety of options for different fitness levels and preferences.

The park features a mix of trail difficulties. You'll find 5 moderate routes and 8 more challenging trails with significant elevation gains, catering to both intermediate and experienced runners. There are no routes classified as easy, but some moderate trails are suitable for those looking for a less strenuous run.

While there are no routes specifically labeled 'easy', the park's varied terrain includes gentler hills and flatter sections that can be suitable for families or those seeking a more relaxed pace. For instance, the Mayfair Ranch and Longwall Canyon Trail Loop is a moderate 4.4-mile path that navigates through rolling hills and offers scenic views, making it a good option for a family outing.

Yes, many trails in Calero County Park are dog-friendly, allowing leashed pets to join you on your run. It's a great way to enjoy the park's natural beauty with your canine companion.

For breathtaking vistas, consider routes that traverse the park's higher elevations. From various points, you can enjoy panoramic views of southern Santa Clara County, the Santa Cruz Mountain Range, the Santa Clara Valley, the Diablo Range, and Mount Umunhum. The Bald Peaks Loop is known for its varied terrain and panoramic views.

Calero County Park is rich in natural beauty. You'll encounter rolling grassland hills, picturesque oak woodlands, and the prominent Calero Reservoir. During spring, typically March through May, the 'back country' areas burst with vibrant wildflowers. You might also spot ponds like Los Cerritos Pond along trails such as the Serpentine Loop and Los Cerritos Trail.

For a more extended and challenging run, the park offers several options. The Lisa Killough and Cottle Trail Loop is a difficult 9.6-mile (15.4 km) trail with significant elevation changes, providing a robust workout through diverse grasslands and woodlands.

Spring, particularly March, April, and May, is an excellent time to visit due to the vibrant display of wildflowers in the 'back country' areas. The park offers a mix of sun-exposed and shaded sections, making it enjoyable across different seasons, though summer can be warm. Always check local weather conditions before heading out.

The running routes in Calero County Park are highly rated by the komoot community, with an average score of 4.5 stars from 4 reviews. Runners often praise the diverse terrain, from rolling grasslands to oak woodlands, and the scenic views of Calero Reservoir. The less crowded nature of the park also contributes to a peaceful outdoor experience.

Yes, many of the park's running routes are designed as loops, offering a continuous journey without retracing your steps. Examples include the Oak Cove and Los Cerritos Trail Loop, which is a moderate 5-mile (8.1 km) option, and the longer Bald Peaks Loop.

Calero County Park is a haven for birdwatchers, so you might spot various bird species, including red-tailed hawks, Golden Eagles, and grebes. While running, keep an eye out for other local wildlife that inhabits the diverse grassland and woodland ecosystems.