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Discover the Wonders of Ape Cave Interpretive Site

Explore the breathtaking Ape Cave Interpretive Site, a natural wonder in Washington with stunning lava formations and scenic hiking trails.

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Ape Cave Interpretive Site is a remarkable destination for adventure seekers and nature lovers alike. Nestled in the heart of the Gifford Pinchot National Forest, this site features one of the longest and most fascinating lava tubes in North America, stretching over two miles. The cave was formed thousands of years ago by volcanic activity, and it offers a unique glimpse into the geological history of the region. As you traverse the dark, rocky corridors of Ape Cave, you’ll encounter stunning formations created by the ancient lava flow, providing a magical experience that feels like stepping into another world. Guided tours are available for those who prefer to learn more about the cave’s history and geology while exploring its twists and turns. The surrounding area is equally captivating, with lush forests, scenic trails, and breathtaking views of Mount St. Helens. The hiking trails range from easy strolls to more challenging hikes, accommodating visitors of all skill levels. Whether you’re seeking a leisurely day in nature or an exhilarating adventure, Ape Cave offers a perfect blend of both. The site is accessible year-round, and the cave remains a cool refuge during the warm summer months. Be sure to pack a flashlight, sturdy footwear, and a sense of adventure as you prepare to explore this natural wonder that captivates countless visitors each year. With its unique geological features and stunning surroundings, Ape Cave is a must-visit for anyone traveling through the Pacific Northwest.

Local tips

  • Bring a flashlight, as the cave is dark and requires proper lighting for exploration.
  • Wear sturdy shoes to navigate the rocky terrain both inside the cave and on surrounding trails.
  • Check the weather before your visit; it can be cooler inside the cave than outside.
  • Plan to arrive early to avoid crowds, especially during peak tourist seasons.
  • Consider joining a guided tour for an informative experience and to discover hidden features of the cave.
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A brief summary to Ape Cave Interpretive Site

  • Monday 5 am-9 pm
  • Tuesday 5 am-9 pm
  • Wednesday 5 am-9 pm
  • Thursday 5 am-9 pm
  • Friday 5 am-9 pm
  • Saturday 5 am-9 pm
  • Sunday 5 am-9 pm

Getting There

  • Car

    If you are driving, head towards the town of Cougar, WA. From the center of Cougar, continue on WA-503 N for about 7 miles until you reach the junction with NF-90. Turn left onto NF-90. Follow NF-90 for approximately 3 miles until you see the sign for Ape Cave Interpretive Site. There is a parking lot available at the site. Note that there may be a parking fee, so be prepared with cash or a credit card.

  • Public Transportation

    Public transportation options are limited in this area. If you are relying on public transport, your best bet is to take a Greyhound or local bus service to a nearby city such as Longview or Vancouver, WA. From there, you would need to rent a car or arrange for a rideshare service like Uber or Lyft to reach Cougar, WA. After arriving in Cougar, follow the driving directions mentioned above to reach the Ape Cave Interpretive Site.

  • Hiking

    If you are already in Mount St. Helens National Volcanic Monument and prefer to hike, check local trails that lead towards Ape Cave. There are several trails in the area, but ensure you have a good map or GPS, as the terrain can be challenging. Always inform someone about your plans and expected return time, and bring plenty of water and snacks.

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