Trail

Black Mountain Hike

Trail
view of coast and channel from mountain top

An 8-mile round-trip strenuous climb on an island in Channel Islands that tests your legs and lungs with a steep, relentless push uphill. Reward: oak woodlands and sweeping views of surrounding Channel Islands and the California mainland. This hike demands tactical hydration planning and proven fitness. Most hikers complete it in 4-6 hours, but the descent is where mistakes happen.

Quick facts

Distance Miles
8
Route Type
Out-and-back (can extend as loop with Cherry Canyon trail)
Difficulty Level
Strenuous
Estimated Time
4-6 hours

Trail profile

Distance Miles
8
Route Type
Out-and-back (can extend as loop with Cherry Canyon trail)
Difficulty Level
Strenuous
Estimated Time
4-6 hours
Trail Features
  • Oak woodlands
  • Panoramic views of Channel Islands
  • Views of mainland coast
Trail Highlights
Sweeping vistas of Santa Rosa, San Miguel, Santa Cruz Islands and the California mainland. Clear days reward the climb with far-reaching ocean and island views.

Trailhead & access

Trailhead Location
Santa Rosa Island, accessible by ferry from Ventura
Shuttle Required
1
Shuttle Details
Ferry from Ventura is mandatory. Operated by authorized concessionaire. Ferry schedule controls your entire day - confirm departure and return times before committing to the hike. Typical round-trip ferry windows allow 4-6 hours on the island.

Permits & conditions

Permit Details
Day hiking does not require a permit. Overnight camping on the island requires a backcountry permit from the National Park Service.
Fees
Ferry fee applies; no park entrance fee.
Trail Status
Open

Facilities & rules

Restrooms At Trailhead
0
Water Sources
None on trail. Carry 2-3 liters minimum.
Accessibility
Rooty and steep with no accessibility accommodations. Stairs/scrambling near summit. Ferry transfer may be challenging for mobility-limited visitors.

Safety & strategy

Hazards
  • Steep sustained climb
  • Full sun exposure
  • No water sources
  • Ocean proximity
  • Ferry dependency
Hazard Details
Relentless switchback grind with minimal shade and no on-trail water. Drop-offs exist near ocean vistas - stay on trail. Ferry schedule is non-negotiable - missing return ferry is a serious issue.
Cell Service
Spotty. Bring a satellite communicator or PLB if solo.
Crowd Level
Moderate to High
Peak Crowd Times
Weekends, spring break, summer season
Best Season
Spring (March-May) and Fall (October-November)
Best Time To Visit
Start by 6:00 AM to beat the heat and secure ferry timing. Spring (March-May) and fall (October-November) offer cooler conditions. Ferry schedule dictates your window - confirm departure and return times before booking.
Tips Advice
- Bring 2-3 liters of water; no on-trail sources. - Trekking poles cut knee impact on descent. - Wear a hat and sunscreen - full exposure, minimal shade. - Confirm ferry return time before starting; missing the boat is not an option. - Tight boots prevent blister hell on the descent. - Start moving by 6:00 AM.

More details

Park Area
Santa Rosa Island
Trail Markers
Trail is well-worn and obvious.
Dogs Allowed
No
Biking Allowed
No
Shade Level
Minimal shade. Full sun exposure most of climb.
Emergency Contacts
Contact Ranger Station at Becher's Bay (via radio if equipped). Channel Islands National Park Emergency: 911 via satellite phone if within coverage.
Map Recommended
1
Snow Dates
N/A - island elevation too low for snow
Mud Season
Winter (December-February) after heavy rains
Wildflower Peak
Spring (March-May)
Fall Colors Peak
N/A - minimal deciduous trees
Bug Season
Summer can bring biting insects; bring insect repellent.
Insider Tips
- The false peak at Mile 3 will trick you - keep climbing. - The descent is harder than the ascent - trekking poles and tight boots prevent knee and blister disasters. - Start moving at sunrise to maximize time on island before ferry return. - Bring extra water - the Ventura County sun is relentless on this exposed island.
Recent Updates
Ferry schedules and services subject to change. Check with Channel Islands National Park concessionaire before planning your trip.
Family Friendly Notes
Steep drops exist near viewpoints - hand-holding mandatory for children. Trail is strenuous for kids; consider age and fitness before committing. Ferry ride adds another physical demand.
Nearby Facilities
Supplies in Ventura (pre-ferry). Limited facilities on island.
Review Summary
Hikers consistently praise the sweeping island and coastal views as worth the steep grind. Most note the physical toll is real - bring hydration and fitness. The ferry logistics demand planning.

Location

Frequently asked questions

Is this hike actually strenuous for someone who is moderately fit?

Yes. 8 miles on an island with steep does not capture it - this is a relentless climb with zero shade and no water. Most fit hikers report lung burn and leg burn. If you are used to flat trails, this will humble you.

Can I do this hike solo?

Yes, but carry a satellite communicator (Garmin, InReach) or PLB. Cell service is spotty. A solo slip on an exposed island section is a real risk.

What if I am slow? Will I miss the ferry?

If you plan to do 8 miles in less than 6 hours and the ferry window allows it, you will be fine. But confirm ferry times BEFORE committing. Ferry return is non-negotiable.

Do I need trekking poles?

Not required, but nearly every hiker reports poles saved their knees on the descent. Bring them.

What is the water situation?

There is no on-trail water. None. You must carry everything - minimum 2-3 liters. Many hikers bring 4 for safety.

Are dogs allowed?

No. Channel Islands National Park prohibits dogs on trails.

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Sources

Editorial review: YourNPGuide Editorial Team. Information is compiled from official sources, verified traveler reviews, and editorial research; no firsthand visit is implied unless explicitly documented. Learn how YourNPGuide works.

Last updated July 2026. Report an issue.