NPS Places to go is a challenging question to answer. Ice Age Floods National Geologic Trail covers some 16,000 square miles (41,440 km2) in present day Montana, Idaho, Washington, and Oregon. Amazing visitor experiences are around every corner. This unique 'park' experience invites you to customize your visit, take in flood ravaged landscapes and experience the living culture of the region how you would like to experience it. Expore 'places' with connections to the Ice Age Floods by state below.
![]() Visit MontanaGlacial Lake Missoula ![]() Visit IdahoThe Breakout Zone ![]() Visit WashingtonChanneled Scablands ![]() Visit OregonWillamette Valley and Columbia River |
Last updated: February 17, 2023