New Bat-friendly Gate Installed at Tongue River Cave Will be Closed on Oct. 14th

Written by on October 5, 2018

Press Release – The Bighorn National Forest’s most popular cave is the Tongue River Cave. Gates and signs installed at the cave’s entrance have been vandalized and destroyed in the past. This fall, the Bighorn National Forest and the Wyoming Game and Fish Department installed a new, bat-friendly gate and signs at the Tongue River Cave. The Hole-In-The-Wall Grotto will be helping the Forest Service clear the cave of people, as well as trash, before the gate will be closed and locked on the afternoon of Sunday, October 14.

     Registration is required to enter four caves in the Bighorn National Forest. The four caves – Big Piney, Cliff Dweller’s, Eaton’s, and Tongue River – are all located in the Tongue Ranger District. People wanting to enter the caves are required to complete a registration form and follow decontamination procedures. Registration is required to enter the caves from April 16 through October 14. The cave registration system involves submitting basic personal information (name, email address, zip code) and information about the cave trip (date, cave name, national forest, number of participants). The completed form is emailed to Authorized registration forms are generally processed and returned within seven business days. Decontamination refers to cleaning clothing and equipment to prevent accidentally spreading the fungus that causes white-nose syndrome, greatly reducing the likelihood of moving the pathogen from one site to another. A summary of decontamination procedures is provided with approved cave access registration forms.

The four caves are closed every year from October 15 through April 15 to protect hibernating bats from disturbance. When hibernating bats are roused, they fly around, expending energy they need to survive the winter, at a time when bats can’t find insects to eat to replenish their strength.

The Bighorn National Forest is home to ten species of bats. Bats play important roles in the earth’s ecosystems by eating insects, pollinating plants, and dispersing seeds to regenerate forests. The registration and decontamination strategy was developed based on concern about the spread of a fungus that is deadly to bats. The fungus that causes white-nose syndrome WNS) was first introduced in the northeastern United States and has now been found in 36 states (including Wyoming) and seven Canadian provinces. Since 2006, WNS has killed over five million bats in the United States. Based on the continued progression of WNS, the Forest Service management approach includes proactive measures to limit the likelihood of introducing the fungus to caves in Wyoming and to protect bat populations before the disease arrives.          

     The special order describing the prohibitions and restrictions on cave access is available on the Bighorn’s website at Violators can be fined up to $10,000, imprisoned for up to six months, or both.

     Do your part to help protect the Bighorn’s bats. Learn more about bats at and white-nose syndrome and the Forest Service’s efforts to protect these important animals at

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