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Mammoth Hotel Dining Room

The First 4-Star Certified Green Restaurant in the National Parks

Green Restaurant Certified Logo

In August 2011, the Mammoth Hotel Dining Room became certified by the Green Restaurant Association. The GRA is a national non-profit organization that provides a cost-effective way for restaurants to demonstrate their commitment to environmental sustainability. The Mammoth Dining Room is Xanterra’s first certified green restaurant, and with a 4-Star rating (out of a possible 4-Stars), is the FIRST 4-Star certified restaurant in Wyoming and our National Park System, and one of only 25 in the country. To achieve certification, restaurants must address critical areas that include: Energy, Food, Water, Waste, Disposables, Chemicals and Pollution Reduction, and Furnishings and Building Materials. To achieve its 4-Star certification, the Dining Room demonstrated sustainable operations through a major restroom remodel, installation of energy-saving LED lamps and water-saving fixtures, sourcing of local and organic cuisine, recycling and composting restaurant waste, and using environmentally-preferable cleaning products.

The Mammoth Hotel Dining Room serves dinner only during the summer season and breakfast, lunch, and dinner during the winter season. Reservations are required for dinner during the winter season.

Please be advised, dining dates, hours, and menu options may be limited and can change with little to no notice. 

Winter Dates

Opens: December 15, 2023
Closes: March 4, 2024

Hours

Breakfast: 6:00 am – 10:00 am (Continental until 10:30 am)
Lunch: 11:30 am – 2:30 pm
Dinner: 5:00 pm – 9:00 pm (Reservations Required)

Terrace Lounge: 4:00 pm – 10:00 pm (Bar, Cocktails, and Appetizers)

Christmas Day Hours:
Breakfast: 6:00 am – 10:00 am (Continental until 10:30 am)
Lunch: 11:30 am – 2:00 pm
Dinner: 4:30 pm – 9:00 pm (Reservations Required)

New Year’s Eve Hours:
Breakfast: 6:00 am – 10:00 am (Continental until 10:30 am)
Lunch: 11:30 am – 2:00 pm
Dinner: 5:00 pm – 9:30 pm (Reservations Required)

Reservations

Reservations are required for dinner in winter only. Advance dinner reservations are available only to overnight in-park lodging and campground guests. Guests with reservations at Mammoth Hot Spring Hotel and Old Faithful Snow Lodge can make reservations up to 60 days prior to arrival. Guests will receive an email communication that includes an exclusive link for access to make dinner reservations online. Non-lodging guests are able to visit the host stand for same-day availability.

First-come, first-served for breakfast and lunch.

Menus

Breakfast
Lunch
Dinner & Wine


Summer Dates

Opens: April 26, 2024
Closes: October 14, 2024

Hours & Menu Coming Soon

Dinner:

Reservations

First-come, first-served during the summer


Dress Code

Casual

Address

Mammoth Hotel Dining Room, 305A Albright Ave, Yellowstone National Park, WY 82190

  • Additional Nearby Dining Options