Lampanusan is one of the 14 barangays of Kalilangan, Bukidnon. It is about 15 kilometers south of Poblacion proper. It is bounded on the North by Barangay Macaopao, on the east and south by barangays of Pangantucan and on the west by the Maradugao River which separates the provinces of Bukidnon and Wao, Lanao del Sur.
Barangay Lampanusan can be accessed through an unpaved provincial road traversing the municipalities of Kalilangan, Pangantucan, Don Carlos and all the way to Kadingilan, Bukidnon.
Like most barangays in Bukidnon, vast tracts of lands in Lampanusan are devoted to agricultural production. Crops planted here are mostly sugarcane, corn and palay.