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Contact: Morgan Warthin, (307) 344-2015
- 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 (307) 344-2117 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.
Last updated: December 17, 2019