A UNESCO World Heritage Site, Lake Malawi National Park Lake Malawi National Park – Visit Malawi is home to the southernmost and deepest of the East African Rift Valley lakes. The crystal-clear waters of Lake Malawi are ideal for snorkeling, diving, and water sports. The park also features a variety of fish species, such as Chambo, the tilapia, Usipa- the lake sardine, and also the colorful cichlids fish which have the highest concentration endemic to Lake Malawi.