Sagebrush Theatre is a 685-seat proscenium theatre at 1300 9th Avenue, at the corner of 9th Avenue and Munro Street beside South Kamloops Secondary School. The venue is owned by School District No. 73, operated by the City of Kamloops, and managed by Western Canada Theatre.

The theatre is the home venue of Western Canada Theatre and the Kamloops Symphony, while also hosting school performances, community productions, touring artists, concerts, dance, assemblies, and other events. Its soft-seat auditorium includes designated accessible and limited-mobility seating, and the facility offers audience amenities such as universal washrooms, a concession and bar, and a lobby suitable for receptions, meetings, workshops, and displays.