Fuller Brook is a 3.03 mi (4.88 km) long second-order tributary to West Branch Tunungwant Creek.

[2] Fuller Brook rises about 6 miles (9.7 km) southwest of Bradford, Pennsylvania, and then flows east to meet West Branch Tunungwant Creek about 4 miles southwest of Bradford, Pennsylvania.

Fuller Brook drains 4.51 square miles (11.7 km2) of area, receives about 47.4 in/year (120 cm/year) of precipitation, and is about 90.07% forested.

[3]