Ada County, Idaho
594 hiking trails · 12parks & campgrounds · 9 cities. Real OpenStreetMap + Recreation.gov data.
About Hiking in Ada County, Idaho
Ada County is home to 594 mapped hiking trails and 12 federal parks, campgrounds, and recreation areas spread across 9 cities. Trail data is sourced from OpenStreetMap contributors; park and campground info comes from Recreation.gov.
Looking for something specific? Search all trails in Ada County or browse parks. Want to narrow further? Pick a city below to see only that city’s outdoor options.
Trails & Parks in Ada County
Up to 212 pinpoints showing trail and park locations across the county.
Cities in Ada County
Click any city to see trails and parks within it.
Sample Parks in Ada County
Sample Trails in Ada County
Hiking guides for Idaho
Statewide rankings and guides — useful context for Ada County.
Photo: Tobias MrzykThe 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 AkulichIdaho'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 EarleThe Best Beginner-Friendly Hikes in Idaho
Ten gentle, well-marked Idaho trails perfect for first-time hikers, families, or recovery days.
Photo: Sergei AkulichThe 10 Most Challenging Hikes in Idaho
Idaho's ten hardest hikes — expert difficulty, big mileage, or serious exposure. Reserved for experienced hikers.
Photo: Joshua EarleThe 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 EarleBest 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.