The Sumas First Nation (Halkomelem: Sema:th[2]) Sumalh or Sumas Indian Band is a band government of the Sto:lo people[3] located in the Upper Fraser Valley region, at the community of Kilgard a.k.a.

[5] Other previous names include: Nicomen Slough, Somass River and Sumas Tribe.

[3] The name "Sumas" means "big flat opening"[3] or "land without trees" and is derived from a Cowichan tribe.

[1][7] In 2021, 60 hectares of government land adjacent to Fraser River Heritage Park and the Pekw’xe:yles Indian Reserve, the former site of St. Mary's Indian Residential School, was transferred to the Leq’á:mel, Matsqui (Mathexwi) and Sumas First Nations Society.

[8] The First Nation band council runs a number of businesses including Semath Industries.