Boiling Lake is the world's second largest boiling lake (but the largest of its type in the world), and is located 5 miles (8 km) east of Roseau, in the heart of Morne Trois Pitons National Park. The first recorded sighting of Boiling Lake was in 1875, by Edmund Watt and Dr. Henry Alford Nicholls, two Englishmen working in Dominica at that time, and their guides. Later that year, Henry Prestoe, a government botanist, and Dr. Nicholls were commissioned to investigate this natural phenomenon.
They measured the water temperature and found it to range from 180o to 197o F (82o to 91.6o C) along the edges, but could not measure the temperature at the centre where the lake is actively boiling. They measured the depth to be greater than 195ft (59m).
Read the entire Boiling Lake (PDF, 7.5 MB) brochure.