Big Four Ice Caves, Granite Falls

4.7
#1 of 9 in Things to do in Granite Falls
Geologic Formation · Nature / Park
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Big Four Mountain is a mountain in the Cascade Range of Washington, located 21 miles (34 km) east of Granite Falls. The mountain is about 6,180 ft (1,880 m) high. At the bottom of its steep, 4,200 ft (1,300 m) high north face, debris piles form from avalanches and are able to remain there year round because of the continuous shade provided by the mountain. At an elevation between 2,450 ft (750 m) and 1,950 ft (590 m), this ice forms the lowest-elevation glacier in the lower 49 states. During the summer, snow-melt streams flow beneath the debris piles and cause caves to be formed in the ice.

The Big Four Ice Caves Trail, a designated National Recreation Trail, (#723) is one of the most popular hikes in the Mount Baker-Snoqualmie National Forest attracting over 50,000 visitors per year. Frequently exceeding several hundred hikers per day, the trailhead's two separate parking areas are often filled beyond capacity occasionally forcing hikers to park along neighboring Mountain Loop Road.

A severe autumn storm in November 2006 caused flooding of the South Fork Stillaguamish River destroying a major footbridge to the Big Four Ice Caves. Estimated repair costs to replace the damaged span were approximately $425,000, and repairs were completed in June 2009. While the trail is open to the public, the snowfield itself was closed temporarily due to cave-ins and slides which have killed four hikers in incidents in 1998, 2010, and in 2015. Because of the danger, hikers are advised to stay out of the caves.
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Big Four Ice Caves reviews

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TripAdvisor traveler rating 4.5
105 reviews
Google
4.8
TripAdvisor
  • Can’t walk to the ice caves because they took the foot bridge down until 2022. The boardwalk is still a nice and very short walk with a beautiful view. 
    Can’t walk to the ice caves because they took the foot bridge down until 2022. The boardwalk is still a nice and very short walk with a beautiful view.  more »
  • Long drive from Tacoma but well worth the trip. Took my students on a field trip and really enjoyed our time at the park. The hike up to the caves was fairly easy. Even though it was raining, it was....  more
    Long drive from Tacoma but well worth the trip. Took my students on a field trip and really enjoyed our time at the park. The hike up to the caves was fairly easy. Even though it was raining, it was....  more »
Google
  • It is so beautiful 😍 the ice caves are really cool and so fascinating to look at and enjoy nature itself. The downside is that the bridge is closed so the only way to get to the ice caves is by crossing the river. You'd have to go diagonal because some areas of the water are deep. Just be careful! Enjoy the scenery 🤩
  • I would highly recommend Big Four Ice Caves. Really beautiful mountain and scenery. Hiking trail is very easy. If you are planning to go with your kids, pets or older people, its best place to go hiking and see beautiful nature, ice caves. I felt like its less than a mile hiking trail. No steepness, no hill, just a straight trail.

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