Fazenda Jaymu Airstrip (ICAO: SN3T) is a small private airstrip located in the municipality of Alta Floresta, in the state of Mato Grosso, Brazil. It serves primarily agricultural and fazenda (ranch/farm) operations typical of the region. The airstrip supports light general aviation aircraft used for transportation across the vast rural areas of the Amazon basin fringe zone. Alta Floresta is a city developed during Brazil's agricultural expansion into the Amazon region, and private farm airstrips are common in the surrounding area. No scheduled commercial services operate from this facility. It functions as a private airfield serving the landholding or estate with which it is associated.