Tongass National Forest
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El Capitan, King of Caves
El Capitan Cave is the longest mapped cave in Alaska. Cavers mapped over two miles of passage from the main entrance.
The only way to see this magnificent cave is during the summer months, when visitors can take advantage of a no cost guided tour given by Forest Service employees
A locked gate guards the cave's entrance to protect against vandalism and possible damage from otherwise well-meaning individuals, as well as to keep unexperienced cavers safe from it's hazards.
To
reach El Capitan Cave, off the North Prince of Wales Highway (FS Road
20), takes a somewhat strenuous 1,100 foot (335 m) hike up a long steep
stairway to an elevation of 250 feet and a platform at the mouth of the
cave.
About 200 feet inside the cave a steel gate (with bat access)
has been installed to prevent vandalism and inadvertent damage to cave
features. Cave tours beyond the gate are available in summer months by
appointment through the Thorne Bay Ranger District (907-828-3304). The
El Capitan tour provides a look at the underground character of the karst
ecosystem.
To book your tour: call the Thorne Bay Ranger District office at 907-828-3304 at least two days in advance. Tour groups are limited in size to six people. Babies in packs or carriers are not allowed, nor are children under seven years of age.
What to bring: At least one flashlight per person, extra batteries,
and sturdy footwear. Hard hats are required and are provided at the site
by the Forest Service. Wear warm clothing, as the cave temperature is
a constant 40 degrees. Wet and muddy conditions are the norm.
Precautions: The trail to El Capitan Cave is strenuous and steep. The trail to the cave opening is primarily boardwalk with 367 stairs. There are no trails or lighting in the cave. Hazards include low ceilings, pits, and slippery, uneven ground.
You can reach El Capitan Cave by vehicle, boat or plane. By road, follow Forest Service Road 20 to Forest Road 15 and take a left for about a mile (1.6 km) to the cave. Watch for signs to El Capitan Cave. From Thorne Bay, it's an estimated 3-hour drive. There is a Forest Service dock for use by boats and planes, but boats or planes cannot be left unattended.
USDA Forest Service - Tongass National Forest
Last Modified: April 08, 2009