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Boyden Cavern: A Subterranean Wonderland

Explore the depths of Kings Canyon at Boyden Cavern, a mesmerizing marble cave featuring stunning formations and guided tours beneath the towering Kings Gate and Windy Cliffs in Sequoia National Forest.

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Venture into the depths of Kings Canyon National Park and discover Boyden Cavern, a mesmerizing marble cave adorned with stunning formations. This natural wonder, carved over millennia, offers guided tours through its cool, illuminated chambers, revealing a breathtaking display of stalactites, stalagmites, and flowstone. Located beneath the towering Kings Gate and Windy Cliffs, the cavern provides a unique glimpse into the geological history of the Sierra Nevada. The short, steep hike to the cave entrance rewards visitors with panoramic views of the dramatic Kings Canyon, the deepest river-cut canyon in the United States. A visit to Boyden Cavern is an unforgettable experience for all ages, combining adventure, education, and natural beauty.

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Local tips

  • Wear sturdy hiking boots for the steep, short trail to the cave entrance and the uneven surfaces inside.
  • Bring a light jacket, as the cave maintains a constant 55-degree temperature year-round.
  • Book your tour in advance, especially during peak season, to guarantee your spot.
  • Combine your visit with other nearby attractions like Grizzly Falls, Roaring River Falls, and Grant Grove to make the most of your trip to Kings Canyon.
  • Be aware that there is limited to no cell service in Kings Canyon, so download maps and directions before you go.
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Getting There

  • Driving

    Boyden Cavern is located 19 miles east of Grant Grove Village on Highway 180 within Kings Canyon National Park. From Grant Grove, follow Highway 180 east towards Cedar Grove. The drive takes approximately 30-40 minutes. Look for signs for Boyden Cavern on the right side of the road. The parking lot is located near the Kings River. Note that a National Park entrance fee is required to access the area. As of 2025, the entrance fee is $35 per vehicle, valid for 1-7 days, covering Sequoia & Kings Canyon National Parks. There is free parking at the Boyden Cavern parking lot.

  • Walking

    From the Boyden Cavern parking lot, the cave entrance is accessed via a short, steep, paved trail that ascends approximately 125 feet. The walk takes about 5 minutes. Be prepared for an uphill climb. There are no additional fees to access the trail after parking.

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Boyden Cavern, nestled within the Giant Sequoia National Monument and Sequoia National Forest, offers a captivating journey into the heart of Kings Canyon. This marble cave, carved by the relentless forces of nature over hundreds of thousands of years, presents a mesmerizing display of geological artistry. Located 19 miles east of Grant Grove, the cavern lies beneath the imposing 2,000-foot-high marble walls of Kings Gate and Windy Cliffs, marking the entrance to a subterranean world of wonder. The cavern's history is intertwined with the story of J.P. Boyden, a logger who explored and promoted the cave in the late 1800s. Boyden recognized the unique beauty and potential of the cavern, even residing within its cool depths for a decade. While early tours were informal and allowed souvenir collection, today's guided tours emphasize preservation and education, offering visitors a chance to appreciate the cave's delicate ecosystem. The standard walking tour, lasting approximately 45 to 60 minutes, leads visitors through a series of illuminated chambers, each showcasing a unique array of formations. Knowledgeable guides point out the highlights, including the Pancake Room, where layered formations resemble stacks of pancakes, and the Upside Down City, a collection of stalactites that evoke a skyline of hanging skyscrapers. The Drapery Room features delicate, curtain-like formations, while the Wedding Cake presents a stunning example of flowstone cascading down the cave walls. The cave's constant 55-degree temperature provides a refreshing escape from the summer heat, but a light jacket is recommended for comfort. The tour involves navigating a short but steep path to the cave entrance, followed by walking on uneven surfaces, ducking under low overhangs, and ascending and descending stairs within the cave. While the tour is suitable for most ages, those with pre-existing conditions or mobility concerns should exercise caution. Boyden Cavern is not only a visual spectacle but also a testament to the power of geological processes. The cave is formed within Mesozoic marble, a metamorphosed limestone, and showcases a variety of speleothems, including stalactites, stalagmites, flowstone, pendants, and rare shield formations. The cave is part of the larger Church Cave system, stretching for approximately five miles, and continues to evolve as water seeps through the marble, depositing minerals and shaping new formations. Beyond the geological wonders, Boyden Cavern offers a glimpse into the unique ecosystem that thrives in the dark, cool environment. While bats inhabit the cave, they are not always visible during tours. The cave's operators are committed to protecting the bat population and preventing the spread of white-nose syndrome, a fungal disease that threatens bats across North America. To fully appreciate Boyden Cavern, consider combining your visit with other attractions in Kings Canyon National Park and the surrounding area. The Kings Canyon Scenic Byway offers breathtaking views of the canyon's towering cliffs and the Kings River. Nearby, Grizzly Falls and Roaring River Falls provide opportunities to witness the power of water in shaping the landscape. Grant Grove, home to the General Grant Tree, offers a chance to marvel at the giant sequoias that define the region. Whether you are a seasoned caver or a first-time visitor, Boyden Cavern promises an unforgettable adventure. The combination of stunning geological formations, rich history, and breathtaking scenery makes it a must-see destination in Kings Canyon National Park.

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