Heart Rock Trailhead
~10 spaces only
Full by 9am spring weekends
Adventure Pass required
~8–10 spaces for the most Instagrammed trail in the range. Full by 9am on spring weekends; no sanctioned overflow.
Details, fees & parking →San Bernardino Mountains Trailhead Parking: Every Lot, Honestly (2026)
The hike is rarely the hard part up here — the lot is. Each guide below covers one trailhead: how many cars actually fit, when it fills on a weekend, whether you need an Adventure Pass, the tow/citation risk of getting creative, and the realistic plan B. Coverage starts with the Lake Arrowhead–Crestline–Running Springs area; more of the range is coming.
Deep Creek Hot Springs Trailheads
Bowen Ranch: $10/person cash
Bradford Ridge: free, limited roadside
No facilities either side
Two ways in: Bowen Ranch's dirt lot ($10/person cash, rough road) or free, limited roadside at Bradford Ridge off Hwy 173.
Details, fees & parking →Exploration Trail (Keller Peak) Trailhead
Check closure status
Small primitive lot
Adventure Pass required
Small primitive lot on Keller Peak Rd off Hwy 18. Adventure Pass required — and check fire-closure status first.
Details, fees & parking →Heaps Peak Arboretum Lot
Rarely fills
Paved lot + restrooms
Adventure Pass required
The rare easy one: paved lot right off Hwy 18, rarely fills, vault restrooms. Adventure Pass still required.
Details, fees & parking →Arrowhead Pinnacles Parking
No developed lot
No facilities or signage
Download offline maps
No real lot: informal dirt pullouts off Hwy 173 near the OHV staging area. No facilities, no signage — download maps first.
Details, fees & parking →North Shore Trailhead (Hospital Rd)
Rarely full
Serves two trails
Adventure Pass required
One trailhead, two trails: North Shore Rec Trail and Little Bear Creek both start by the campground on Hospital Rd. Rarely full.
Details, fees & parking →