Idaho Counties
80 counties with mapped trails or parks in Idaho. Pick one to see what’s there.
Ada County
Adams County
Asotin County
Baker County
Bannock County
Bear Lake County
Beaverhead County
Benewah County
Bingham County
Blaine County
Boise County
Bonner County
Bonneville County
Boundary County
Broadwater County
Butte County
Cache County
Camas County
Canyon County
Caribou County
Cascade County
Cassia County
Chelan County
Clark County
Clearwater County
Custer County
Deer Lodge County
Elko County
Elmore County
Flathead County
Franklin County
Fremont County
Gallatin County
Gem County
Glacier County
Gooding County
Granite County
Grant County
Idaho County
Jefferson County
Jerome County
Juab County
Kootenai County
Lake County
Latah County
Lemhi County
Lewis County
Lewis and Clark County
Liberty County
Lincoln County
Madison County
Malheur County
Meagher County
Mineral County
Minidoka County
Missoula County
Nez Perce County
Oneida County
Owyhee County
Park County
Payette County
Pend Oreille County
Pondera County
Powell County
Power County
Ravalli County
Rich County
Sanders County
Shoshone County
Silver Bow County
Spokane County
Sublette County
Teton County
Toole County
Twin Falls County
Valley County
Wallowa County
Wasatch County
Washington County
Whitman County
Guides & rankings
Hiking guides for Idaho
Photo: Tobias MrzykState Rankings
The 10 Longest Hiking Trails in Idaho, Ranked
Idaho's longest mapped hiking trails, ranked by distance with notes on what makes each route worth the commitment.
Photo: Sergei AkulichState Rankings
Idaho's 10 Most Punishing Trails by Elevation Gain
Steep is hard. These are the ten Idaho trails with the most total elevation gain — quad-burners earned by hard climbing.
Photo: Joshua EarleState Rankings
The Best Beginner-Friendly Hikes in Idaho
Ten gentle, well-marked Idaho trails perfect for first-time hikers, families, or recovery days.
Photo: Sergei AkulichState Rankings
The 10 Most Challenging Hikes in Idaho
Idaho's ten hardest hikes — expert difficulty, big mileage, or serious exposure. Reserved for experienced hikers.
Photo: Joshua EarleParks & Travel
The Best National Parks & Recreation Areas in Idaho
Federal parks and recreation areas in Idaho ranked by what they actually offer hikers and campers, not just popularity.
Photo: Joshua EarleState Rankings
Best Waterfall Hikes in Idaho: 10 Trails to See Falls Up Close
Idaho's best hikes to named waterfalls — from short family-friendly viewpoints to all-day cascade chasing.