Mattole River and Beach
Petrolia, CA
Mattole River and Beach sits at the northern trailhead of the Lost Coast Trail, where the river meets the ocean near California's westernmost point at Cape Mendocino. Hikers heading south into the King Range National Conservation Area start here, but the beach itself is worth the drive even without a 24.8 mile wilderness hike on the agenda.
A genuinely remote, dramatic river mouth beach and the gateway to one of California's best known wilderness hikes, though the exposed wind and lack of facilities keep it a serious destination rather than a casual stop.
How we score beachesCheck tide tables before hiking any distance south along the beach, sections of the Lost Coast Trail are impassable at high tide.
A day use fee applies; the exact amount is best confirmed at the trailhead.
The path from parking to the sand isn't documented in detail, so allow extra time and expect uneven ground near the river mouth.
Dogs are welcome; check posted signage for specific leash rules.
Wind is near constant at this exposed river mouth, and water stays cold year round. Summer and fall bring the most stable hiking weather for the trail south.
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