A.B. Young No. 100

Managing agency

U.S. Forest Service

A.B. Young No. 100 is a 4.9-mile out-and-back trail located in Arizona and managed by the U.S. Forest Service. The route features 922 feet of elevation gain, making it a moderate hike suitable for those with some hiking experience. This trail offers a straightforward there-and-back format, allowing hikers to turn around at any point based on their fitness level or time constraints. The elevation gain is distributed across the 4.9 miles, providing a gradual to moderate climb depending on the specific terrain sections. As a U.S. Forest Service-maintained trail, A.B. Young No. 100 benefits from official management and upkeep. The trail's designation number indicates it is part of a formal trail system within the national forest. Whether you're looking for a half-day hike or a full morning adventure, this trail provides a solid option for outdoor enthusiasts seeking elevation and exercise. The out-and-back format makes logistics simple—you'll retrace your steps on the return journey.