Redwood National and State Parks
The tallest trees on earth - ancient coast redwoods soaring over a misty northern California coast, a UNESCO site.
Updated 16 October 2026

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UNESCO World Heritage
Along the far northern coast of California grow the tallest living things on earth, the coast redwoods, ancient trees soaring over a hundred metres into the fog. Protected across a joined system of national and state parks, and a UNESCO site, their cathedral groves are among the most humbling places in America, wrapped in coastal mist.
Background
The complex joins Redwood National Park with three California state parks, Del Norte Coast, Jedediah Smith and Prairie Creek, in Del Norte and Humboldt counties. Its 139,000 acres hold 45 percent of all the old-growth coast redwood forest left, along with 37 miles of coastline. Redwood forest once covered more than 8,100 km2 of the California coast, but logging after the Gold Rush cleared most of it. The national park was created in 1968 and enlarged in 1978, the parks have been managed as one unit since 1994, and they became a World Heritage Site in 1980. Entry is free, and about 200 miles of trails are open to hikers, cyclists and riders.
Source: Wikipedia, "Redwood National and State Parks"
What you'll find
- The tall groves - the ancient redwoods towering into the canopy along trails like Tall Trees.
- Avenue of the Giants - the scenic road through the old-growth (in nearby Humboldt).
- Fern Canyon - the walls of ferns in a green ravine.
- Roosevelt elk - the herds grazing the prairies among the forest.
When to go
Late spring to autumn for the driest weather, though the coast is often foggy, which suits the redwoods' mood. Winter is very wet. The forest is green and impressive year-round.
Practical notes
It is a long way up the northern coast, a real drive from the main California cities. The coast is often foggy and cool even in summer, so bring layers. The parks are spread out along the highway, so plan which groves to visit.
Nearby
The rugged northern California coast and Oregon border spread around; the Avenue of the Giants lies to the south.
Key facts
Source: Wikidata, item Q63863168, read on 18 October 2026.
What to pack for Redwood National and State Parks
Chosen from what this place is for. Tap a kit for the full checklist.
- Broken-in walking shoes or boots - Grip and ankle support matter more than looks; never hike in brand-new boots. Find on Amazon
- Padded shorts - The one thing that makes a full day in the saddle bearable. Find on Amazon
- Modest clothing - Shoulders and knees covered - the single most common requirement. Find on Amazon
- Layers + a waterproof shell - Mountain weather turns fast; a packable rain jacket saves the day. Find on Amazon
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