News Release

Sylvan Pass opens for oversnow travel on December 22, 2019

Snowmobiles riding the park road

NPS/Jacob W. Frank

News Release Date: December 17, 2019

Contact: Morgan Warthin, [phone]

• Beginning Sunday, December 22 at 8 a.m., East Entrance to Lake Butte Overlook (Sylvan Pass) will open to the public for oversnow travel on commercially-guided snowmobiles. Visitors who have proper permits can also take non-commercially guided snowmobile trips. 
• Get up-to-date road information:
  • Visit Roads for the status of Yellowstone roads
  • Call [phone] for recorded information
  • Sign up to receive Yellowstone road alerts on your mobile phone by texting "82190" to 888-777 (an automatic text reply will confirm receipt and provide instructions). 
• Anticipate possible road closures due to inclement weather and dangerous driving conditions.