Mount Carleton, at 820 metres (2,690 ft), is the highest peak in the Canadian province of New Brunswick, and the Maritime Provinces. Located in Mount Carleton Provincial Park, it is one of the highlights of the Canadian portion of the International Appalachian Trail. Mount Carleton is also part of the eighth and final section of the Nepisiguit Mi'gmaq Trail. The mountain was named after Thomas Carleton, New Brunswick's first lieutenant governor, and forms part of the Notre Dame Mountains chain, which is visible on Map 24 of the NB Atlas.