San Martín GuideSan Martín is a region in northern Peru. Rio Abiseo National Park - Mixed World Heritage place located in Huicungo District, Mariscal Cáceres province. In south of the region. HotelsFind hotels in Tarapoto and more. TarapotoTarapoto, known as the "City of Palms," is located in the District of San Martín, "la tierra de las cataratas", located on the high jungle plateau in the northern part of Peru. MoyobambaMoyobamba, the City of the Orchids, is the capital of the San Martín region in northern Peru. JuanjuiJuanjui is the capital of Mariscal Cáceres Province in the south of San Martin region in northern Peru. SauceSauce is a city in San Martin. Shared taxi or combi from Tarapoto. In Tarapoto you need to take mototaxi to the "paradero" … Río Abiseo National ParkRío Abiseo National Park is in the San Martín region of Peru. It is a UNESCO World Heritage site.