News Release

Temporary closures at West Thumb in Yellowstone National Park beginning July 19

West Thumb Geyser Basin sunrise and boardwalk
West Thumb Geyser Basin sunrise and boardwalk

NPS / Jacob W. Frank

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News Release Date: July 18, 2023

Contact: Morgan Warthin, (307) 344-2015

  • On Wednesday, July 19, beginning at 6 a.m., West Thumb Geyser Basin in the southern part of Yellowstone National Park will close temporarily for road improvements.
  • The closed areas include:
    • West Thumb Geyser Basin parking lot
    • West Thumb Geyser Basin Trail (including boardwalks and restrooms)
    • Duck Lake Trail
    • Yellowstone Lake Overlook Trail
  • The closed areas are expected to reopen at 6 p.m. on Thursday, July 20.
  • Expect up to 30-minute delays.
  • Drive slowly through construction zones and be alert to workers, heavy equipment, wildlife, and other hazards.
  • Stay informed about up-to-date road conditions in Yellowstone:
    • Visit Park Roads.
    • Call (307) 344-2117 for recorded information.
    • Receive Yellowstone road alerts on your mobile phone by texting "82190" to 888-777 (an automatic text reply will confirm receipt and provide instructions).  
  • Learn more about the Biscuit Basin to Grant Village (including Old Faithful & West Thumb) road improvement project at Park Roads.

Last updated: July 18, 2023

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Contact Info

Mailing Address:

PO Box 168
Yellowstone National Park, WY 82190-0168



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