This hike is located in the Loch Raven Watershed which is the primary water source for the Baltimore metropolitan area. The Loch Raven Dam and Reservoir are located on the Big Gunpowder River and provide a beautiful destination for hiking and mountain biking. There is an extensive trail system surrounding the reservoir and exploring the expansive and beautiful forest. Mountain laurel, tulip poplar, and a great diversity of other trees and wildflowers create peaceful scenery.