HomeAppsMaps & NavigationOS Maps: Explore hiking trailsApps like OS Maps: Explore hiking trails Here are some great alternatives to OS Maps: Explore hiking trails by Ordnance Survey Ltd : AllTrails: Hike, Bike & Run ★4.8 TrailLink: Bike, Run, Walk ★4.2 Outdooractive. Hike and Ride ★4.4 onX Backcountry Trail Maps GPS ★4.6 Locus Map 4 Outdoor Navigation ★4.3 Hiking Project ★3.7 Gaia GPS: Offroad Hiking Maps ★3.6 getoutdoorsKS ★3.3 HiiKER: The Offline Hiking app ★4.1 Sedona Hiking ★3.7 ModernHiker: California Hiking ★4.3 MAPS.ME: Offline maps GPS Nav ★4.1 Avenza Maps: Offline Mapping ★4.7 Colorado Springs Trails ★4.3 Wikiloc - Trails of the World ★4.6 SityTrail hiking trail GPS ★4.1