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Tongass Home » Districts and Offices » Prince of Wales Island » Recreation

 

El Capitan Cave Interpretive Site 402 kb.pdf

DESCRIPTION:
Free guided tours are offered during summer months to see and experience this magnificent cave. The cave site includes bathrooms, a picnic site, a dock for boaters or float plane arrivals, and a guide station where tour participants receive safety gear and begin their tour.

Yellow cedar steps leading to cave entrance, view from entrance of the old growth forest in which the cave is situated

 

LOCATION:
The cave site may be reached by vehicle, boat, or plane. By road, watch for signs to El Capitan Cave and follow Forest Road 20 to Forest Road 15 and take a left; follow this for a about a mile to the cave parking area. From Thorne Bay, it's an estimated three-hour drive. There is a Forest Service dock for use by boats and planes, but boats and/or planes cannot be left unattended.

 

CAVE ACCESS:
The entrance is accessed by a somewhat strenuous 1,100-foot hike up a steep 367-step 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. Guided cave tours beyond the gate are available in summer months by reservation (contact Thorne Bay Ranger District 907-828-3304).

•  Make reservations at lease two days in advance

•  Tour groups are limited in size to six people

•  No babies in packs or carriers are allowed, nor children under seven years of age

Yellow cedar steps stretching up the steep slope through the old growth cedar, hemlock, and spruce forest

 

PRECAUTIONS:

•  There are no trails or lighting in the cave. Hazards include low ceilings, pits, and slippery, uneven ground.

•  Cave temperature stays a constant chilly 40 degrees

•  Wet and muddy conditions are the norm

 

SPECIAL FEATURES:
From the standpoint of geology and prehistoric interest, the most compelling cave on Prince of Wales island is El Capitan. With more than 13,000 feet of passageways, it is the largest known cave in Alaska and is one of the longest mapped caves in the Americas.

Recent archeological discoveries in El Cap Cave, as the cave is called locally, have stimulated tremendous scientific interest. According to Jim Baichtal, Forest Geologist, in the early 1990s, black bear skeletons were excavated in a newly discovered passage and found to be almost 12,300 years old. These findings suggest that the El Capitan valley was ice-free by at least 12,300 years ago. It was previously believed that ice covered the land to the continent's margin with only peaks higher than 3,000 feet exposed. Discoveries in the caves have spawned subsequent extensive research into the prehistory and paleoecology of southern Southeast Alaska.

Red, yellow, and white helmets lined up with flashlights

WHAT TO BRING:

•  At least one flashlight per person

•  Extra batteries

•  Sturdy footwear

•  Warm clothing and raingear

•  Hard hats are required and are provided at the site by the Forest Service

 

Practice Leave No Trace

Leave No Trace, Outdoor Ethics

•  Plan Ahead and Prepare

•  Travel and Camp on Durable Surfaces

•  Dispose of Waste Properly

•  Leave What You Find

•  Minimize Campfire Impacts

•  Respect Wildlife

•  Be Considerate of Other Visitors

 

SAFETY TIPS:
•  Discharging firearms is prohibited within 150 yards of buildings, campsites, developed recreation sites, or occupied areas

•  Fireworks or other explosives are prohibited

•  Use only fire rings provided by the Forest Service

•  Be respectful of others and keep your pets under control

•  Do NOT feed or approach bears!

•  Water for consumption should be treated or boiled

•  Rubber boots, rain gear and insect repellent are recommended

 

USDA Forest Service - Tongass National Forest
Last Modified: July 17, 2009


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