Tolman Peak and South Fork Loop

The trail is located within Dry Creek Pioneer Regional Park in Union City, Alameda County, California. You'll find parking available at the park's main entrance.

You do not need a permit to jog this trail. While some regional parks have fees, Dry Creek Pioneer Regional Park generally does not charge an entrance fee for day use.

The trail is best enjoyed in the cooler months, particularly winter and spring, when the hills are green and a small creek might be flowing. During summer, it can get unpleasantly hot due to sun exposure, so late afternoons are preferable if you visit then.

Yes, this is a dog-friendly trail. Please ensure your dog is kept on a leash and that you clean up after them to maintain the park's natural beauty for everyone.

The 8.0 km loop offers varied terrain, including both dirt roads and singletrack sections. You'll encounter rolling grassy hills, attractive woodlands, and oak groves. Some parts, especially the singletrack through the oak grove, can be steep and narrow, while wider sections provide a more forgiving surface.

You'll experience diverse scenery, transitioning from open, sun-blasted grasslands to forested areas. The climb up South Fork Trail offers scenic views of the surrounding hills, wooded canyons, and expansive vistas of the Bay Area. The highlight of the route is Tolman Peak, which provides excellent panoramic views.

For jogging, the average duration for the 7.4 km loop is approximately 1 hour and 2 minutes, depending on your pace and how often you stop to enjoy the views.

The trail showcases diverse plant life, including various oak trees. In wetter seasons, you might see a small creek flowing. It's also common to encounter cattle and calves grazing in the open areas, so be mindful and give them space.

Due to significant sun exposure, it's best to plan your jog for the late afternoon during summer months. This helps avoid the hottest part of the day and allows you to enjoy cooler temperatures and potentially a sunset view.

Yes, the route utilizes sections of several official trails within the park. You'll find yourself on parts of the Tolman Peak Trail, High Ridge Loop Trail, F.D. 143, May Trail, and South Fork Trail during your journey.

While graded as moderate, the trail does include a steep climb and some narrow singletrack sections. Beginners should be prepared for these challenges, but the varied terrain and flatter sections make it manageable for those with some jogging experience.