Dalhousie, town in Restigouche county, northern New Brunswick, Canada. It lies at the mouth of the Restigouche River on Chaleur Bay, 17 miles (27 km) northeast of Campbellton. Icebreakers keep the harbour open during the winter months and clear a route through the bay. Settled by Scots in the early 1800s, it was named for the 9th earl of Dalhousie, governor-general of Canada (1819–28). The town’s economic activities focus on the production of newsprint, caustic soda, chlorine, and lumber and on mixed farming, salmon fishing, and summer tourism. Inc. 1905. Pop. (2006) 3,676; (2011) 3,512.