About trails in Ada County, Idaho

Ada County has 379 named trails on the map, covering 627 miles in total, an average of 1.7 miles per trail. That is the 3rd largest mapped trail network among 37 counties in Idaho. 232 of them are tagged for hiking and 337 for mountain biking.

The longest single trail is Boise River Greenbelt, at 87.7 miles. 22 trails run 5 miles or longer. Mapped points of interest in the county include 10 trailheads, 14 campsites, 1 waterfall, 11 boat launches, and 3 rapids. The nearest towns to these trails are Boise City, Eagle, and Robie Creek.

What the trails in Ada County are like

By length, 204 are under a mile, 153 run 1 to 5 miles, and 22 are 5 miles or longer. 6 are loops, ending where they start; the longest is #7 Orchard Gulch, at 3.1 miles.

Of the 227 with a difficulty rating, 29 easy, 121 moderate, and 77 hard. Of the 379 with measured elevation, #77 Sweet Connie climbs the most, about 2,725 ft, and 18 gain 1,000 ft or more.

Explore by activity

379All trails

232Hiking 337Mountain biking

627Total miles

14Campsites

11Boat launches

1Waterfalls

10Trailheads

3Rapids

Boise River GreenbeltHikeMTB87.7 mi Five Mile PathwayMTB10.5 mi Beacon Light BikewayMTB9.8 mi McMillan-Ustick BikewayMTB9.1 mi Chinden-McMillan BikewayMTB8.8 mi Kristin Armstrong BikewayMTB7.9 mi Linder-Meridian BikewayMTB6.8 mi Central Meridian BikewayMTB6.7 mi Federal WayMTB6.5 mi #81 Polecat LoopHikeMTB6.2 mi Route #G Lucky Peak RoadHikeMTB6.0 mi Fiddleneck Ridge - #13HikeMTB6.0 mi #4 8th Street MotorcycleHikeMTB5.9 mi Hawkins Reserve LoopHikeMTB5.8 mi Ten Mile-Linder BikewayMTB5.8 mi #31 CorralsHikeMTB5.7 mi Aerie Lane - #101HikeMTB5.5 mi Ustick-Cherry BikewayMTB5.5 mi Boise Greenbelt TrailHike5.3 mi Emerald-Pine BikewayMTB5.3 mi Records Way BikewayMTB5.1 mi Hill RoadMTB5.0 mi #E Route E Shaw Mountain RoadHikeMTB5.0 mi #74 Chukar ButteHikeMTB4.9 mi Locust Grove-Eagle BikewayMTB4.8 mi #76 Peggy'sHikeMTB4.7 mi #26 Three BearsHikeMTB4.7 mi Route of the Oregon TrailHikeMTB4.7 mi Boise AvenueMTB4.6 mi Lanktree Gulch BikewayMTB4.6 mi Parkcenter Blvd BikewayMTB4.5 mi Mitchell St BikewayMTB4.3 mi Mountain View Dr BikewayMTB4.2 mi Adleman Mine Trail4.1 mi Five Mile Rd BikewayMTB4.0 mi Camas-Vinnell BikewayMTB4.0 mi #77 Sweet ConnieHikeMTB3.7 mi Shamrock Ave BikewayMTB3.6 mi #6 Femrite's Patrol TrailHikeMTB3.6 mi Hill Road ParkwayMTB3.5 mi #3 WatchmanHikeMTB3.5 mi Towers of Power - #107HikeMTB3.5 mi Harris Ranch Bikeway LoopMTB3.4 mi Cassia St BikewayMTB3.3 mi Floating Feather BikewayMTB3.3 mi #7 Orchard GulchMTB3.1 mi #33 Hard GuyHikeMTB3.0 mi West Star BikewayMTB3.0 mi Lake Forest DriveMTB3.0 mi #45 Curlew ConnectionHikeMTB2.9 mi West Eagle BikewayMTB2.9 mi Northwest Boise BikewayMTB2.8 mi #71 Red TailHikeMTB2.8 mi Philippi St BikewayMTB2.8 mi Fisher Lane - #12HikeMTB2.7 mi Palmer BikewayMTB2.7 mi Hull's Gulch Interpretive TrailHike2.6 mi #29 Lower Hulls GulchHikeMTB2.4 mi Oregon TrailHikeMTB2.4 mi North Star BikewayMTB2.4 mi Deer Flat BikewayMTB2.4 mi Golden Whey - #102HikeMTB2.3 mi #70 Landslide LoopHikeMTB2.3 mi #84 Cartwright RidgeHikeMTB2.3 mi #26A Shane'sHikeMTB2.3 mi Meridian PathwayHikeMTB2.3 mi Poplar St BikewayMTB2.1 mi Turner RidgeHike2.1 mi Shoshone St BikewayMTB2.1 mi #28 CrestlineHikeMTB2.0 mi Victory RoadMTB2.0 mi #5 Freestone RidgeHikeMTB2.0 mi Bannock St West BikewayMTB2.0 mi Latah St BikewayMTB2.0 mi Grand Forest DriveMTB2.0 mi Surprise WayMTB2.0 mi Star Rd BikewayMTB2.0 mi Rabbit RunHikeMTB2.0 mi Spring Creek - #9HikeMTB2.0 mi Bauns Eye - #15HikeMTB2.0 mi #101 Basalt TrailHikeMTB1.9 mi Main St and Fairview Ave BikewayMTB1.9 mi #22 Central RidgeHikeMTB1.9 mi #26 Upper RidgeHikeMTB1.9 mi #75 Currant CreekHikeMTB1.9 mi Allumbaugh St BikewayMTB1.8 mi Halverson Lake TrailHike1.8 mi Diane & Winston Moore PathwayMTB1.8 mi School Ave BikewayMTB1.8 mi #108 Harris Ridge TrailHike1.8 mi #52 Bill'sHikeMTB1.8 mi #11 West Highland ValleyHikeMTB1.7 mi #12 HomesteadHikeMTB1.7 mi Veterans Memorial BikewayMTB1.7 mi Burnt Car Draw - #10HikeMTB1.7 mi #1 Highlands TrailHikeMTB1.7 mi #53 Buena VistaHikeMTB1.7 mi #13 CobbHikeMTB1.7 mi Boise Greenbelt Bike Route1.7 mi East Star BikewayMTB1.7 mi #46 SideshowMTB1.7 mi Orchard St Hill, Irving St / GreenbeltMTB1.7 mi Star River WalkHikeMTB1.6 mi Lydle RidgeHikeMTB1.6 mi #30 Bob'sHikeMTB1.6 mi Hummel Dr BikewayMTB1.6 mi Junk YardHikeMTB1.6 mi Seamans Gulch TrailHikeMTB1.6 mi #15 Table RockHikeMTB1.6 mi Cloverdale Rd BikewayMTB1.6 mi Overland Rd ConnectionMTB1.6 mi Lydle GulchHikeMTB1.5 mi 23rd St BikewayMTB1.5 mi Lower Willow - #106HikeMTB1.5 mi Ash Park Ln BikewayMTB1.5 mi Granger Ave BikewayMTB1.5 mi Ellis-Resseguie BikewayMTB1.5 mi Gekeler LaneMTB1.5 mi #14 Humphrey'sHikeMTB1.4 mi Indian Creek PathwayHikeMTB1.4 mi #85 Barn OwlHikeMTB1.4 mi #39 Red CliffsHikeMTB1.4 mi Protest Hill BikewayMTB1.4 mi Turner GulchHike1.4 mi River Heights TrailHikeMTB1.4 mi Ezra Meeker LoopHikeMTB1.4 mi Lydle Gulch EastHike1.4 mi Harlow's Hollows - #16HikeMTB1.4 mi Liberty St North BikewayMTB1.4 mi #24 SidewinderHikeMTB1.3 mi Garden St BikewayMTB1.3 mi Warm Springs AvenueMTB1.3 mi Dry Creek TrailHikeMTB1.3 mi 18th St BikewayMTB1.3 mi Upper Willow - #108HikeMTB1.3 mi Gondola-Malta BikewayMTB1.3 mi Who Now Loop #51HikeMTB1.3 mi #20A BucktailMTB1.3 mi #9 Urban Connector TrailHikeMTB1.3 mi Kuna Downtown BikewayMTB1.3 mi #XC11 Flow TrailMTB1.2 mi #14 TramHikeMTB1.2 mi D's ChaosHikeMTB1.2 mi #0 Hull's Gulch Interpretive TrailHike1.2 mi 43rd St Bikeway ConnectionMTB1.2 mi #42 Fat Tire TraverseHikeMTB1.2 mi Black Cat-Ten Mile BikewayMTB1.2 mi #19A Shoshone-Bannock Tribes TrailHikeMTB1.2 mi #25A Eagle Ridge LoopHikeMTB1.2 mi Whistling Pig - #3HikeMTB1.2 mi Cole RoadMTB1.2 mi #44 Two PointHike1.2 mi #56 Full SailHikeMTB1.2 mi Garden City GreenbeltHikeMTB1.2 mi #58 Harrison RidgeHikeMTB1.2 mi Cartwright Road - #20HikeMTB1.1 mi Ustick-Northview Bikeway ConnectionMTB1.1 mi North Pierce Park LaneMTB1.1 mi Heron St BikewayMTB1.1 mi Gary LaneMTB1.1 mi H. R. Bud Porter PathwayHikeMTB1.1 mi Bogus Basin RoadMTB1.1 mi #17 Table Rock QuarryHikeMTB1.1 mi Veteran's TrailHikeMTB1.1 mi #32 Scott'sHikeMTB1.1 mi Pollard BikewayMTB1.0 mi Joel Palmer TrailHikeMTB1.0 mi Coffee St Hill, Mountain View Dr / GreenbeltMTB1.0 mi #39A KestrelHikeMTB1.0 mi Roosevelt St BikewayMTB1.0 mi Cow Patty - #115HikeMTB1.0 mi Knecht Loop - #7HikeMTB1.0 mi #103 Oregon TrailHikeMTB1.0 mi Star BikewayMTB1.0 mi Boise St BikewayMTB1.0 mi #22 Shady Grove LoopHikeMTB1.0 mi #12 Dry Creek LoopHikeMTB1.0 mi Twisted SisterHikeMTB1.0 mi #22C Mountain CoveHikeMTB0.9 mi Historic Oregon TrailHikeMTB0.9 mi Kemper’s Ridge #52HikeMTB0.9 mi BLM TrackHikeMTB0.9 mi Marigold StreetMTB0.9 mi #54 Robert SmylieHikeMTB0.9 mi #57 Harrison Hollow (AWT)HikeMTB0.9 mi Harlow's Hollows Connector (HHC) - #16aHikeMTB0.9 mi #8 Heroes TrailHikeMTB0.9 mi #82 Doe RidgeHikeMTB0.9 mi Skull Candy - #27HikeMTB0.9 mi #16B Rock Island (West)HikeMTB0.8 mi Main St BikewayMTB0.8 mi Stormin' MormonMTB0.8 mi Linder Rd BikewayMTB0.8 mi #57A Harrison Hollow LoopHikeMTB0.8 mi Boise GreenbeltHikeMTB0.8 mi #102 Rim TrailHike0.8 mi Meekers Folly - #17HikeMTB0.8 mi Big Springs LoopHikeMTB0.8 mi #16 River ViewHikeMTB0.8 mi #27 Cottonwood CreekHikeMTB0.8 mi Red Fox #36HikeMTB0.8 mi Les Bois GulchHike0.8 mi Wild Phlox TrailHikeMTB0.8 mi #80 Sheep CampHikeMTB0.8 mi #53 Inside LoopHikeMTB0.8 mi Peg Leg - #109HikeMTB0.8 mi Technology WayMTB0.8 mi #16A Rock GardenHikeMTB0.8 mi 36th Street ChuteHikeMTB0.8 mi Castle DriveMTB0.8 mi Twisted Spring Trail - #8HikeMTB0.8 mi #24 South TrailHikeMTB0.8 mi #19 Shoshone-Paiute Tribes TrailHikeMTB0.7 mi Apple StreetMTB0.7 mi #16B Rock Island (East)HikeMTB0.7 mi Pick Your Poison - #6MTB0.7 mi Ricochet - #2HikeMTB0.7 mi Warp Speed - #14HikeMTB0.7 mi Pleasanton Ave BikewayMTB0.7 mi #27A Toll Road TrailHikeMTB0.7 mi #73 BitterbrushHikeMTB0.7 mi #38 The Grove LoopHike0.7 mi Division AvenueMTB0.7 mi #19 Rabbit BrushHikeMTB0.7 mi Chickadee Ridge #36AHikeMTB0.6 mi Lakeharbor LaneMTB0.6 mi #23 Military Reserve ConnectionHikeMTB0.6 mi Grove St BikewayMTB0.6 mi #39 Owls RoostHikeMTB0.6 mi #XC10 Shake n' BakeMTB0.6 mi 8th Street ConnectionHikeMTB0.6 mi Pennsylvania StreetMTB0.6 mi #102 Rim (Bike Only)MTB0.6 mi Ranch Access Connector (RAC) - #18aHikeMTB0.6 mi Hull's Gulch Interpretive LoopHike0.6 mi Wylie Ln Greenbelt ConnectionMTB0.6 mi HarrowHikeMTB0.6 mi Camelsback Trails #40Hike0.6 mi #20 Ridge CrestHikeMTB0.6 mi #15A Old PenHikeMTB0.6 mi Low RiderHikeMTB0.6 mi Liberty St South BikewayMTB0.6 mi Kelton Freight TrailHikeMTB0.6 mi #18 QuarryHikeMTB0.6 mi The OriginalHikeMTB0.5 mi #16 Table Rock Loop (East)Hike0.5 mi #109 Peace Valley Overlook TrailHike0.5 mi REI ConnectorHikeMTB0.5 mi Cloverdale-Five Mile BikewayMTB0.5 mi Linden StreetMTB0.5 mi Elephant Rock LoopHikeMTB0.5 mi #20 RidgecrestHikeMTB0.5 mi Farmland view trailHike0.5 mi Cat Track - #105HikeMTB0.5 mi Dedication Point Interpretive TrailHike0.5 mi #83 Quick DrawHikeMTB0.5 mi #21 Schick'sHikeMTB0.5 mi Vista AvenueMTB0.5 mi 8th StreetMTB0.5 mi 15th Street #41HikeMTB0.5 mi Bergeson StreetMTB0.5 mi Intercon WayMTB0.5 mi #25 Eagle RidgeHikeMTB0.5 mi Fort StreetMTB0.4 mi #22A Central Ridge Spur (South)HikeMTB0.4 mi #50 Hippie ShakeHikeMTB0.4 mi #23 South Currant CreekHikeMTB0.4 mi #4a Hull's Ridge TrailHikeMTB0.4 mi Peggy's Cut-OffHike0.4 mi Why Not TrailHike0.4 mi #17 Orchard TrailHikeMTB0.4 mi Surprise Way to Healy RoadMTB0.4 mi Seamans Gulch Access TrailHikeMTB0.4 mi #51 Bill's ConnectorHikeMTB0.4 mi Sara Sutton TrailHikeMTB0.4 mi 10th StreetMTB0.4 mi #20 Schick's Ridge DrawHikeMTB0.4 mi Park BoulevardMTB0.4 mi Pioneer PathwayMTB0.4 mi #8 Andy's GulchHikeMTB0.4 mi Sunrise/SunsetHike0.4 mi #28 West Currant CreekHikeMTB0.4 mi Fox Run - #23HikeMTB0.4 mi Ridgeline trail0.4 mi #22B Freestone CreekHike0.3 mi Grove Street PathwayHikeMTB0.3 mi Velodrome ConnectorHikeMTB0.3 mi Gold Finch #35HikeMTB0.3 mi #22A Central Ridge Spur (North)HikeMTB0.3 mi # ConnectorHikeMTB0.3 mi Eastdale Access To Quary TrailHikeMTB0.3 mi #XC17 Sage FrightMTB0.3 mi #72 Lookout LoopHikeMTB0.3 mi #35A Red-Winged BlackbirdHike0.3 mi #11 Deer ValleyHikeMTB0.3 mi Valley View TrailHikeMTB0.3 mi #50 Barn Owl AccessHikeMTB0.3 mi #XC24 Hell MaryMTB0.3 mi #55 West ClimbHikeMTB0.3 mi Zag ZigHike0.3 mi

Trails by town in Ada County

More Idaho counties

Twin Falls County

51 trails · 93.2 mi

Valley County

255 trails · 1,117 mi

1,969 trails · 6,039 mi

Trail geometry from OpenStreetMap contributors, licensed ODbL. Elevation from the USGS 3D Elevation Program. Compiled and published by Trailmonger · trail data last rebuilt September 24, 2026.