Morne Watt is one of the active strato volcanoes located in the Caribbean and this particular peak is in Dominica. It lies in the southern part of the island with a height of 1,224 meters or 4,016 meters. Morne Watt is the top 3 tallest mountain/volcano in all of Dominica. In Morne Watt, you will experience the Boiling Lake and the Valley of Desolation – if you visit these spots. Morne Watt means Rat Mountain but it was really named after Edmund Watt back in the 1870’s.