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Satwiwa – Upper Sycamore Canyon – Old Boney – Fossil Trail Loop

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Satwiwa – Upper Sycamore Canyon – Old Boney – Fossil Trail Loop

This site was home to the Chumash, Spanish Rancho El Conejo, and modern ranching and farming operations. For many years, the Santa Monica Mountains sustained the Chumash and Tongva/Gabrielino cultures. Sycamore Canyon, which cuts through Rancho Sierra Vista/Satwiwa and Point Mugu State Park, was part of a Chumash trade route. Satwiwa, which means “the bluffs,” was the name of a nearby Chumash village.

We’ll hike through serene hills, with views of Boney Mountain. Along the way there is a seasonal water fall and some hand-sized fossils. We’ll take a snack break at the Danielson Monument.

The hike is about 8.5 miles with 2,000 feet total ascent and is rated DIFFICULT due to terrain. See my hike rating guide:

Directions to Trailhead

Park on Potrero Rd. at the end of Wendy Dr. in Newbury Park

May 23 2021


Date: May 23, 2021
Time: 9:00 am - 1:00 pm
Hiking Group:
RSVP: Visit Meetup Website


Rancho Sierra Vista/Satwiwa Wendy Trailhead

1360 S Wendy Dr
Newbury Park,CA91320US

+ Google Map


Hiking With Dean
Website: Visit Organizer Website


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Trail statistics are approximate. For safety purposes always assume they are underestimated. But don’t be disappointed if they are overestimated. Bring more water and snacks than you think you’ll need.

Trail descriptions are based on previous hikes. Current conditions are unknown until arrival. Expect the unexpected and plan accordingly.

The Organizers and members of Hiking With Dean are not professional leaders, guides, or mountaineers. The function of the member or organizer is only to organize the trip. Each person who shows up for a trip/meetup (and their guest or guests) is responsible for his or her own safety. By attending a hike, or any other event organized by this group, you are acknowledging that you and any guests that you bring are aware of the risks, dangers and hazards associated with the activity and freely accept and fully assume all such risks, dangers and hazards, and further agree to release and discharge the Organizers, Members of the Hiking With Dean Meetup Group from and against any and all liability arising from your participation in the group activities per our ASSUMPTION OF RISK AND LIABILITY WAIVER and Section 6.2 of the Terms of Service.