有要求的呀，俺訂的正好是他們列出的幾家，請看附帶通知：

Dinner Reservations are required for Old Faithful Inn, Lake Yellowstone Hotel and Grant Village dining rooms. Priority for dinner reservations is given to hotel guests. Visitors not staying at the Old Faithful Inn, Lake Yellowstone Hotel and Grant Village may make dinner reservations 60 days in advance. To secure reservations you may complete and submit our online request form or call 1-866-GEYSERLAND (866-439-7375) or 307-344-7311. Reservations are not accepted at our other dining facilities. Breakfast and lunch are on a first-come, first-seated basis throughout the park at all locations. Attire is casual in all park facilities.