• Parking fee information: There is a fee to park at this trailhead. A Northwest Forest Pass can also be used. For more information, please visit https://www.fs.usda.gov/detail/okawen/passes-permits/?cid=fsbdev3_053606 • Seasonal road closure: Roads within and around Okanogan-Wenatchee National Forest are subject to seasonal closure. For more information, please visit https://www.fs.usda.gov/detail/okawen/alerts-notices/?cid=stelprdb5308542 While the majority of this trail is within Okanogan-Wenatchee National Forest, the trail crosses into Mount Rainier National Forest just before Crystal Lake. Those who are planning to camp overnight at Crystal Lake will be required to obtain a wilderness permit from Mount Rainier National Park. Dogs are allowed on the trail until you reach Sourdough Gap, where you will enter the Rainier portion of the trail. Dogs are not allowed there, so if you want to reach Upper Crystal Lake, you'll have to leave the pups at home. Reservations are recommended, but not required. Two-thirds of summer permits (June - September) are available for advance registration, while the remaining are issued on a first-come first-serve basis, and can be reserved one day before your trip. More information on wilderness and climbing permits can be found here: https://www.nps.gov/mora/planyourvisit/wilderness-permit.htm

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