Sugarloaf Mountain, Mountain summit in Campbellton, Canada.

Sugarloaf Mountain is a 281.1 m rounded, double-humped summit of dark grey and greenish black felsic rock in Campbellton, New Brunswick, within Sugarloaf Provincial Park. Dense coniferous forest covers its slopes, broken by irregular snow patches in the gullies, and mist often hides the saddle between the two rises. A hiking trail climbs the eastern slope to a viewing platform over the Restigouche River valley.

The mountain formed during the Late Devonian period as a volcanic feature shaped by crustal thinning in the northern Appalachians millions of years ago. This geological origin explains the rock formations and landscape you see when standing at the summit today.

Local Mi'kmaq legends tell that the mountain formed when Glooscap turned the leader of giant beavers to stone at this spot. This story remains part of the area's heritage and visitors often hear it from guides or signs along the trails.

A perimeter road allows for walking and jogging in summer, while colder months offer cross-country skiing and snowshoeing on marked trails. The paths are accessible, but visitors should prepare for changing conditions, especially during wetter seasons.

The two crosses painted on the north slope, white on a red background, mark where the bodies of the MacLean sisters were found about 600 to 700 feet below the summit. Mrs. Edmund MacLean, 19, and Lottie Ramsay, 17, had set out around 4 p.m. on 9 November 1924 in light snow; searchers followed their footprints to the cliff edge the next morning.