Foothills Open Space sits in the Adobe Creek watershed above Hidden Villa Ranch in Los Altos, offering 212 acres with grassy ridgetops, chaparral-covered slopes, and oak-madrone woodlands spread across steep ravines. The half-mile trail from Page Mill Road climbs to a grassy knoll where you get panoramic views across the South Bay—a solid spot to rest and let your dog catch their breath after the steep push uphill.

Dogs are allowed on the designated trails here, which is the main draw for most people visiting with their dogs. The short route is moderate in difficulty because of that incline I mentioned, but it’s doable for most dogs in decent shape. Just keep in mind there’s no water available on-site, so bring enough for both of you. The trail is clearly marked from Page Mill Road—look for the brown pipe gate and wood rail fence at the trailhead.

You’ll need to keep your dog leashed the entire time, and pack out whatever you pack in. The park operates from sunrise to sunset year-round, which gives you flexibility depending on your schedule and the season. Parking is tight though, so getting there early, especially on weekends, makes a real difference in how easy your visit feels. If you’re going mid-morning on a Saturday, you might spend more time hunting for a spot than actually hiking.

The landscape changes depending on the season—spring brings wildflowers and green hills, while summer dries things out considerably and the chaparral-covered slopes become golden brown. Either way, it’s a genuinely quiet place without the crowds you’d hit at more famous Bay Area parks. The proximity to both Hidden Villa Ranch and Palo Alto’s Foothills Park means you could combine a visit here with exploring the broader area if you’re willing to do a longer day out. Just remember the water situation—it’s the one real limitation for longer visits with your dog.