Tukgahgo Mountain (TUG-a-ho) is located in the Takshanuk Mountains with a peak elevation of 4,675 feet (1,425 m) in the U.S. state of Alaska. It is situated 6.6 miles (10.6 km) north of Haines, 3.5 miles (5.6 km) to the southwest of Chilkoot, and 16 miles (26 km) to the southwest of Skagway. It is one of eight peaks in Haines Borough.