Mosque River

The Mosque River is a tributary of the Skeena River in the Stikine Region of the province of British Columbia, Canada. It originates in the Tatlatui Range of the Skeena Mountains, and flows southwest about 50 km (31 mi) to the Skeena River, about 140 km (87 mi) north of Hazelton and about 160 km (99 mi) east of Stewart. Its watershed covers about 148 km (57 sq mi), and its mean annual discharge is 15.4 m/s (540 cu ft/s).

The river's entire watershed is within the traditional territory of the Gitxsan First Nation and is part of the lands currently under negotiation for aboriginal title according to the British Columbia Treaty Process.

The Mosque River was named in 1940, in association with .