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IDIdaho Geography
Overview
Idaho occupies the 14th largest area among US states. Located in the West region, specifically the mountain subregion, its physical geography reflects its position on the continent. The state is landlocked, with no direct ocean access. It shares an international border with Canada.
Topography and landforms
- Mountain ranges: rockies
- Contains Yellowstone National Park
Rivers and water
Idaho has no major navigable rivers connecting to the ocean, which historically shaped its economic development.
Mountains and elevation
The rockies mountain range(s) define much of Idaho's topography.
Climate and time zone
Idaho falls in the Mountain time zone (the state spans multiple time zones — a small western or eastern portion may differ).
National parks and protected areas
Idaho contains part of Yellowstone National Park, the first national park in the world (established 1872). The National Park Service manages many sites in Idaho including national parks, national monuments, national forests, and historic sites. Outdoor recreation is significant — hiking, camping, hunting, fishing, and wildlife viewing.
Wildlife
Idaho's wildlife reflects its geography. Forests, plains, rivers, and (where applicable) coasts support a wide range of mammals, birds, fish, and reptiles. Protected populations of native species are maintained through state and federal wildlife management agencies.
Bordering states
Idaho shares borders with 6 other US states.
Daily geography puzzle
Statedoku uses geographic features (mountains, deserts, rivers, regions) as constraints — practice your map awareness in 5 minutes a day.
Play today's puzzle →Common questions about Idaho geography
What is the climate of Idaho?
Idaho observes Mountain Time and has a climate shaped by its location in the West region. Specific climate type varies — see the dedicated weather page for details.
How big is Idaho?
Idaho ranks #14 of 50 by area. It is mid-sized by US standards.
Does Idaho have mountains?
Yes, Idaho has the rockies mountain range(s) running through it.
What national parks are in Idaho?
Idaho contains part of Yellowstone National Park, one of the most-visited US parks.
Similar states
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