Visiting Stile Ranch/Santa Teresa County Park thanks to a suggestion from a local naturalist. Very cool hiking here!
All of my observations from this visit:
https://www.inaturalist.org/observations?nelat=37.67154965131835&nelng=-121.18716234384864&on=2024-06-26&order_by=observed_on&place_id=any&swlat=36.97289203334865&swlng=-121.8659114283213&user_id=joemdo
This manzanita is along the Utica Reservoir Road near Sandy Point Campground. It is growing among the rocks, and is actually growing over the top of a rock.