Seven Summit Treks is a commercial adventure operator established in 2010 based in Kathmandu, Nepal. They specialize in expedition climbing trips to the eight-thousanders of Nepal, China, and Pakistan. The company was established by four Sherpa brothers, Mingma Sherpa, Chhang Dawa Sherpa, Tashi Lakpa Sherpa and Pasang Phurba Sherpa. Mingma and Chhang Dawa are the first siblings and first South Asians to have climbed all 8000ers.