D1900 is a picturesque shortcut available between Gemini Bridges and Metal Masher in Moab, Utah. The trail begins at Waypoint 11 of Gemini Bridges and ends between Waypoints 3 & 4 of Metal Masher. Although this route may be slightly shorter than the usual one, it's worth taking a break to enjoy the breathtaking panoramic views, which may lengthen your travel time. D1900 is also slightly more challenging than the regular beaten path, with a few small slickrock ledges to navigate.