Built in 1573 by Raja Dip Prakash, this temple is situated at a distance of 23 km from Nahan and 6 km from Kala Amb, the gateway to Nahan from Haryana. Trilokpur is a place of great religious importance. The temple of the goddess Mahamaya Balasundri is very famous and attracts lakhs of pilgrims from all over Northern India, especially from Haryana and Himachal. A fair is held twice an year during the Navratras in March/April and September/October when a large number of devotees visit this temple and pay their respects to the goddess. This place is approachable by bus and taxi.