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Humboldt County

Rocks And Islands Wilderness

The best walks and hikes in Rocks And Islands Wilderness

5.0

(8)

88

hikers

12

hikes

Hiking in Rocks And Islands Wilderness offers access to the dramatic coastal landscape of California's northern coast, characterized by rugged shorelines and views of numerous offshore rock formations. While the wilderness area itself is not accessible to humans, its natural features and abundant marine wildlife can be observed from the adjacent mainland. The region provides a unique interface between land and sea, with opportunities to see seabirds and marine mammals from a distance. The terrestrial King Range Conservation Area, which…

Last updated: October 2, 2026

#1.

Lost Coast Trail: Mattole to Black Sands Beach

40.5km

10:27

200m

210m

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Hard

5.0

(1)

26

hikers

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard
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5.0

(2)

13

hikers

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Tips from the Community

Lydia
December 2, 2024, Spanish Creek Campsite

Quite convenient arrangement of different parts of wood for 4 persons to have lunch at the campsite. It’s surrounded by trees and it’s pretty much protected by wind.

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This eponymous black sandy beach is the Trailhead to the the northern, beachy section of the Lost Coast Trail. Some people only hike this northern section and return from Black Sands Beach to Mattole with a shuttle from Shelter Cove. To enjoy the whole coast, continue to the Southern half of The Lost Coast Trail; you can either walk the paved Beach Rd and Shelter Cove Rd east, or, if you prefer trails/dirt roads, leave the beach a couple of miles before reaching the trailhead, go up on Horse Mountain trail (half a mile before crossing Horse Mountain Creek), and turn south on the King Mountain Rd. It follows a ridge with great views, and when it hits Shelter Cove Rd turn left and then right after 0.4 mile toward Chemise Mountain Road. The trailhead to The Lost Coast Trail (South Section) is on the right side after 0.2 miles. The trail is not on Komoot's OSM-map base yet as of 2016; you can follow our GPS tracks here https://www.komoot.de/tour/8420259

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Traveler
December 16, 2016, Lost Coastal Trail

The coastal bluffs between Randall Creek and Spanish Creek form a broad terrace high above the sand but well below the coastal heights which is covered in an ocean of spring flowers at the end of March/early April. Paradise!

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Spanish Creek crossing is easy, using the enormous driftwood trees conveniently arranged close to the beach.

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The beach rises high and forms a broad elevated terrace around Horse Mountain Creek delta, and with some giant driftwood trees it forms a natural campsite, prime sunset views included.

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A long section of cliff is coming very close to the water, the waves cutting under the vegetation which continuously keeps sliding and regenerating from above. Looks like a tropical jungle, with a multitude of little springs gargling out of the rocks and grassy platforms.

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Ship creek cuts a deep canyon through the coastal cliffs and exits out onto the beach with considerable flow. I was able to cross jumping several large rocks about 50 yards upstream.

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Rattlesnake Ridge trail branches from the Lost Coast Trail near Flat Creek in case you want to do a side trip to climb King Mountain or join the coast trail here after doing the mountain. Rattlesnake Ridge Trail (King Crest Trail - Beach) , 5.7 miles, 3600 ft. descent Most of this trail burned in 2003. Vegetation on this ridge regrows rapidly so hikers may have to bushwhack. This trail heads off of the King Crest Trail 2.8 miles south of the North Slide Peak Trailhead. It is recommended only for adventurous backpackers who don't mind some bushwhacking and stream crossings. Follows brushy Rattlesnake Ridge before descending through old-growth forest to Big Flat Creek. Ferns and mosses line the boulder choked channel of Big Flat Creek, which you must cross twice on the way to the coast. You will find a year-round spring at Bear Hollow Camp after leaving King Crest Trail. https://www.blm.gov/nlcs_web/sites/ca/st/en/prog/nlcs/King_Range_NCA/recreation/trails.html

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Frequently Asked Questions

What makes hiking in the Rocks And Islands Wilderness area unique?

Hiking in this region offers dramatic coastal scenery, with views of numerous offshore rock formations and a rich marine wildlife habitat. While the wilderness area itself is not accessible to humans, the adjacent Lost Coast and King Range National Conservation Area provide exceptional opportunities to observe seabirds, marine mammals like Steller sea lions and elephant seals, and even migrating gray whales from a distance. It's a place known for its rugged beauty and opportunities for solitude.

How many hiking trails are available in the Rocks And Islands Wilderness area?

There are over 10 hiking routes available in the Rocks And Islands Wilderness area, catering to various skill levels. These include easy beach walks and more challenging multi-day coastal treks.

What kind of terrain can I expect on hikes in this area?

The terrain is predominantly rugged coastal, often involving stretches over sand with occasional rocky creek crossings. Hikers will experience a unique interface between land and sea, with trails offering extensive coastal views.

Are there challenging hikes for experienced trekkers?

Yes, the area offers several challenging routes. For instance, the Lost Coast Trail: Mattole to Black Sands Beach is a difficult 25.2-mile (40.5 km) trail known for its extensive coastal views and opportunities for marine wildlife observation. Another challenging option is the Spanish Creek crossing – Lost Coastal Trail loop from Kinsey Creek, which navigates coastal terrain with rocky creek crossings.

Are there easier hiking options for a more relaxed experience?

Absolutely. For a more relaxed experience, consider the Black Sands Beach loop from Shelter Cove. This easy 4.0-mile (6.5 km) trail leads through a coastal beach landscape and can typically be completed in about 1 hour 40 minutes.

What kind of wildlife can I expect to see while hiking?

The region is a crucial habitat for marine wildlife. Hikers often spot millions of seabirds, and endangered or threatened sea mammals such as Steller sea lions and elephant seals. During springtime, it's also a prime location for observing the migration of gray whales.

Can I access the Rocks And Islands Wilderness directly?

The Rocks And Islands Wilderness itself is a protected area and not accessible to humans to preserve its delicate ecosystems. However, its natural features and abundant wildlife can be enjoyed from a distance, primarily from the adjacent Lost Coast and the King Range National Conservation Area.

Are there any loop trails in the area?

Yes, there are loop options available. The Black Sands Beach loop from Horse Mountain is a moderate 7.6-mile (12.3 km) trail that offers a circular route through the coastal landscape.

What is the best time of year to visit for hiking?

While specific seasonal data isn't provided, the region's coastal nature suggests pleasant conditions during spring and fall. Spring is particularly notable for the migration of gray whales. Always check local weather conditions before heading out, as coastal weather can be unpredictable.

Are there any permits required for hiking in the Rocks And Islands Wilderness area?

While the wilderness area itself is restricted, some trails within the surrounding King Range National Conservation Area, particularly for overnight trips on the Lost Coast Trail, may require permits or reservations. It's advisable to check with the Bureau of Land Management (BLM) for the most current regulations. You can find more information on their website: blm.gov.

What do other hikers enjoy most about hiking in Rocks And Islands Wilderness?

The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the rugged coastal scenery, the dramatic views of offshore formations, and the unique opportunities to observe marine wildlife in a remote and wild setting.

Are there opportunities for solitude on the trails?

Yes, as part of the National Wilderness Preservation System, the surrounding area offers extraordinary opportunities for solitude. The remote nature of the Lost Coast Trail, in particular, provides a wild experience for those seeking to immerse themselves in nature away from crowds, which also increases the chances of spotting native wildlife.

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