Dewan Panglima Rentap Betong is likely a historical landmark or cultural center associated with Panglima Rentap, a significant figure in Sarawak's history. Panglima Rentap was a Dayak warrior who led resistance against the Brooke government in the 19th century. 'Dewan' typically refers to a hall or council, suggesting a place of historical or cultural importance related to Rentap's legacy and the Betong region of Sarawak. More research might be needed to determine its specific function and current status.