Stsüailes Nation (), formerly known as Chehalis First Nation ( ), is the band government of the Stsüailes people, whose territories lie between Deroche and Agassiz, British Columbia. The Sts'Alies are a Halkomelem-speaking people but are distinct historically and politically from the surrounding peoples.
Number of Band Members: 1185
Reserves under the jurisdiction of Sts'ailes Nation include:
In 1974, the Sts'ailes Band had one staff member; now they have over 200 employees working for the Band and Development Corporation.
In 2009, the tribe purchased the historic Fenn Lodge, turning it into Sasquatch Crossing Eco Lodge. The lodge offers outdoor recreation opportunities and tribal cultural experiences for tourists.