A predominantly dirt route from the lowest to highest point within the contiguous United States. The route is a minimum of 135 miles through desert and alpine environments, and includes off-trail navigation, 4x4 tracks, hiking trails, ghost towns, and 33,000 feet of total elevation gain. The route is a back-country sister to the infamous Badwater 135 race, but includes less than 10% paved surfaces, and ends at the summit of Mt. Whitney.
More information available at http://simblissity.net/L2H.shtml

The Northern Central Railroad (NCR) and York County Heritage (YCH) combine to create a simply an awesome trail. Despite its proximity to Baltimore, this 41 mile long trail follows nearly all rural terrain (with much of it along side Gunpowder Falls River). The surface is fine crushed gravel and is in generally good condition.

Pumpelly Trail is a 8.3 Mile moderately trafficked out and back trail located near Dublin, NH, that features some difficult ascents and great views at the top. Start at Dublin Lake. The out and back course is in total 8.1 Miles long with 2,558 ft of vertical gain. There is a Strava segment for the ascent.  The Pumpelly Trail and Marlboro Trail are used for the Double Traverse, which has it's own Route page.