Menu & Reservations Make Reservations . It was named to commemorate the historic beacon fires that blazed forth from the summit of the Fishkill Mountains to alert the Continental Army about British troop movements.Beacon is located in the southwest corner of Dutchess County, in the fast growing Mid-Hudson Region. Stroll Main Street. Directions to the trailhead: From intersection of Route 9D and I-84 in Beacon, head south on Route 9D for 2.6 miles. Ice? View businesses, restaurants, and shopping in . Where is Beacon, New York? Take the first left onto East Main Street. Reviews (845) 831-3700 Website.