Bukit Keteri is located in Kampung Bukit Keteri, 10 km from Kangar, Perlis. This hill is very popular with rock climbing activities. The climbing route in Bukit Keteri was discovered through the Mammut Expedition program in 2007. The hill is 131 meters high and the level of difficulty for rock climbing activities on this hill is the most difficult in Asia based on Perlis Climbers. Bukit Keteri is a famous karst limestone formation. The uniqueness of Bukit Keteri is that it has a limestone tower and cave. The limestone tower surrounded by rice fields offers a beautiful view to the climbers while on top of this hill. The cave in Bukit Keteri has a large space is said to be able to accommodate a jumbo jet. Climbers will take just a few hours to reach the "Belly Button Window" which offers beautiful views The upright stone wall surface presents a challenge to climbers who are interested in climbing activities.