Complex sentence: Mount Sylvester is a large formation of rock of the glacier period found in central portion of the Island of Newfoundland within the boundary of the Bay du Nord Wilderness Reserve of the province of Newfoundland and Labrador, Canada.
Split into simpler sentences: Mount Sylvester is a large formation of rock of the glacier period found in central portion of the Island of Newfoundland. The mountain lies within the boundary of the Bay du Nord Wilderness Reserve of the province of Newfoundland and Labrador, Canada.