Masut (also, Ma-su-ta-kea and Masu-ta-kaya) was a former Pomo settlement in Mendocino County, California, It was located 3 miles (4.8 km) northwest of Calpella. The same name was also given to a band of the Pomo people associated with the settlement.
The Masut Pomo are known to have traveled widely, sometimes traveling as far as 50 miles to Clear Lake to quarry obsidian and magnesite with the permission of other Pomo who owned the quarries there.
- U.S. Geological Survey Geographic Names Information System: Masut, California
- Basgall, Mark E. (Summer 1979), "To Trade, or Not to Trade: a Pomo Example", Journal of California and Great Basin Anthropology, 1 (1): 178–182, JSTOR 27824954
- Heizer, R. F.; Treganza, A. E. (December 1971), "Mines and quarries of the Indians of California", The California Indians, University of California Press, pp. 346–359, doi:10.1525/9780520340497-029