The main structure (the "Tepee") is a two-story log structure measuring about {{convert|83.5|ft|m}} by {{convert|60|ft|m}}. The building faces east, down the valley of the [[Shoshone River]]. The main level is surrounded by porches on the north, south and east, with a main entrance centered on the eastern porch. The double doors lead into a hall the extends to the roof, with a stone fireplace at the opposite end. The dining room is behind the fireplace. The hall is surrounded by mezzanine galleries. A small suite of rooms over the east porch was used by Cody. There are an additional six bedrooms over the porches and two baths on this level, and seven more rooms downstairs. A 1920 kitchen-dining room addition lasted until 1962, when it was demolished.<ref name=nrhpinv1>{{cite web|last=Frost|first=Ned|title=National Register of Historic Places Inventory - Nomination Form: Pahaska Tepee|url={{NRHP url|id=73001938}}|publisher=National Park Service|accessdate=1 August 2012|date=April 5, 1972}}</ref>
