Harmon Canyon Preserve, established in 2020, is Ventura’s first large-scale nature preserve and it’s genuinely worth the drive. At 2,100 acres, the place sprawls across rolling hills and canyons with oak groves, stream crossings, and views that stretch all the way to the Channel Islands. On a clear day you can see the coastline and Southern California’s mountain ranges layering out in the distance—it’s the kind of vista that makes you understand why people stick around Ventura.

The trail system here offers real variety. You can hike, bike, or run depending on what you’re in the mood for, and the different routes mean you won’t feel like you’re just walking the same path over and over. The preserve isn’t crowded in the way some popular hiking spots get, which is nice if you’re hoping to actually enjoy the landscape without dodging crowds.

If you’re bringing your dog, there are specific rules worth knowing upfront. Dogs need to stay on a 6-foot leash at all times, and you can only walk them on designated trails and the road that goes to the 1.8-mile turnaround point—you can’t venture further into the preserve with your dog. You’re responsible for picking up waste in the marked bins scattered throughout.

The preserve takes these policies seriously because they’ve made it clear that if enforcement becomes difficult, dogs will be banned entirely. So they actually want dog owners to remind other visitors about the rules if you see someone not following them, and reporting non-compliant folks to staff helps keep the place dog-friendly long-term.

Parking is free at the trailhead off McVittie Place, which makes it an easy low-commitment outing even if you’re just testing out whether your dog actually enjoys this kind of walking or if they’d rather nap at home.