Comfortable Accommodations Powder House Lodge in Keystone offers family rooms with private bathrooms, balconies, and mountain views. Each room includes air-conditioning, a refrigerator, and a TV. Dining and Leisure The hotel features a family-friendly restaurant serving American, seafood, steakhouse, and local cuisines. Guests can relax by the seasonal outdoor swimming pool, outdoor fireplace, and sun terrace. Convenient Location Located 4.3 mi from Mount Rushmore and 26 mi from Rapid City Regional Airport, the lodge provides easy access to attractions such as Rush Mountain Adventure Park and Crazy Horse Memorial.