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Discover the Enchanting Ape Cave in Washington

Explore the breathtaking Ape Cave in Washington, a natural wonder showcasing stunning lava formations and a rich geological history.

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Ape Cave stands as one of the longest lava tubes in North America, offering an extraordinary glimpse into the geological wonders formed by ancient volcanic activity. Located within the stunning landscape of Washington state, this natural marvel stretches over 2.5 miles and provides visitors with a unique opportunity to walk through a subterranean world shaped by molten lava. As you navigate the cave, you'll encounter fascinating rock formations, remnants of lava flows, and an array of textures that tell the story of the earth's fiery past. The cave's accessibility makes it suitable for adventurers of all ages. With options to explore both the upper and lower sections of the cave, you can choose a more casual stroll or an invigorating hike through the rugged terrain. Make sure to bring a flashlight, as certain areas can be quite dark, enhancing the thrill of discovery. The cool temperatures inside the cave provide a refreshing escape, particularly during the warmer months, making it an ideal destination for a family outing or a day trip with friends. Visitors should be aware that access to Ape Cave requires a National Park pass along with a small parking fee, ensuring the preservation of this natural wonder for future generations. As you immerse yourself in the beauty of Ape Cave, take the time to appreciate the quiet stillness and the remarkable geological features that surround you, creating an unforgettable connection with nature.

Local tips

  • Bring a high-quality flashlight to illuminate your journey through the dark cave.
  • Wear sturdy footwear as the cave floor can be uneven and slippery.
  • Check the weather before your visit, as rain can lead to increased moisture inside the cave.
  • Consider a guided tour for in-depth knowledge about the cave's geology and history.
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A brief summary to Ape Cave

  • Washington, US

Getting There

  • Car

    If you're traveling by car, start from the Mount St. Helens Visitor Center located at 42218 NE Yale Bridge Rd, Amboy, WA 98601. From the Visitor Center, head southeast on Yale Bridge Rd toward WA-503 N for about 1.5 miles. Turn left onto WA-503 N and continue for approximately 5 miles. Turn right onto FS-90 (Forest Road 90) and follow signs for 'Ape Cave'. After about 10 miles, you'll arrive at the Ape Cave parking lot. Please note that a National Park pass and a $5 parking fee are required to park.

  • Public Transportation

    Using public transportation can be a bit more challenging, as direct options are limited. However, you can take a bus from Portland, OR to Amboy, WA (check local schedules for the latest routes). From Amboy, you would need to arrange for a taxi or rideshare service to the Ape Cave entrance, which is approximately 12 miles away. Ensure you confirm your transportation in advance, as services may vary.

  • Walking

    If you are already at the Ape Cave parking lot, the entrance to the cave is a short walk from the parking area. After parking, follow the marked trail leading to the entrance of the cave, which is about a 0.5-mile walk. Be prepared for uneven terrain and wear appropriate footwear.

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