Wikimedia Commons has media related to Mount Rainier.

Categories

Stratovolcanoes of the United States
Cascade Range
Mountains of Washington (state)
Volcanoes of Washington (state)
Lakes of Washington (state)
Decade Volcanoes
Subduction volcanoes
Cascade Volcanoes
Active volcanoes
VEI-4 volcanoes
Highest points of United States national parks
Mount Rainier National Park
Landforms of Pierce County, Washington
Mountains of Pierce County, Washington
Pleistocene stratovolcanoes
Holocene stratovolcanoes
North American 4000 m summits