Yellowstone's Mammoth Hot Springs Hotel To Remain Closed This Winter

By Compiled From N... - November 10th, 2022

You'll be able to explore the travertine terraces above Mammoth Hot Springs in Yellowstone this winter, but the Mammoth Hot Springs Hotel will be closed/NPS file

Ongoing repairs to the wastewater treatment system that serves the Mammoth Hot Springs Hotel in Yellowstone National Park will require that the hotel stay closed to overnight guests this winter, though some visitor services will be available.

The system was severely damaged in June when historic flood waters roared through the northern portion of the park. Currently, a new wastewater treatment system is being built to serve the Mammoth area, however, the temporary system is not ready to support hotel operations this winter, a park release said Wednesday.

The hotel closed immediately after the historic flood because of damage to the area’s wastewater system. While there will be no overnight lodgings available this winter at the hotel, its gift shop, coffee and beverage service, lobby and ski shop will be open. Regularly scheduled tours and snowcoach service between Mammoth Hot Springs, Old Faithful and other iconic locations will be available.

In June, unprecedented rainfall caused severe damage to the North Entrance Road between Mammoth Hot Springs and the park’s North Entrance in Gardiner, Montana. In addition, a sewer line adjacent to the road that carried wastewater from Mammoth Hot Springs to a sewage treatment plant in Gardiner was ruptured. Staff quickly rerouted the wastewater into percolator ponds used between the 1930s and 1960s, allowing for summer day-use visitors and residents to stay in the area.

Currently, park officials anticipate a reopening of the hotel in the spring. The hotel concessioner is in the process of notifying guests with reservations about the situation.

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