Dog-friendly
Trails tagged in OpenStreetMap as allowing dogs (on or off leash). Check posted rules and the land manager.
82 trails in Boulder County with this feature, longest first (trails under a quarter mile are hidden).
Arapaho Pass Trail
12.2 miMixed1,913 ft gainMountain hikingBuchanan Pass Trail
11.6 miGround2,130 ft gainMountain hikingArapaho Glacier Trail
7.57 miDirt1,544 ft gainMountain hikingPawnee Pass
5.43 miGround1,438 ft gainMountain hikingBeaver Creek Trail
5.04 miGround1,613 ft gainMountain hikingSourdough Trail
4.91 miGround271 ft gainMountain hikingDevils Thumb Trail
4.09 miMixed44 ft gainMountain hikingKing Lake
3.82 miMixed0 ft gainMountain hikingDiamond Lake Trail
3.69 miMixed1,063 ft gainMountain hikingSourdough Trail
3.24 miGround449 ft gainDifficulty unknownSaint Vrain Glacier Trail
3.04 miGroundMountain hikingEagle Wind Trail
2.97 miDirt442 ft gainDifficulty unknownCaribou Pass Trail
2.96 miDirt1,665 ft gainMountain hikingSourdough Trail
2.53 miGround742 ft gainDifficulty unknownWoodland Lake Trail
2.40 miMixed1,468 ft gainMountain hikingMitchell Lake Trail
2.39 miGround877 ft gainDifficulty unknownPawnee Pass Trail
2.35 miGround583 ft gainHikingIsabell Glacier Trail
2.32 miGround80 ft gainMountain hikingWaldrop Trail
2.21 miGround118 ft gainDifficulty unknownHobbit
2.19 miDirt133 ft gainHiking
Data © OpenStreetMap contributors (ODbL); elevation from USGS 3DEP. Features can be missing or out of date.