Listings >> Tours & Activities Boiling Lake Said to be the second largest in the world, this hot springs lake is a. 17672251971 www.boilinglaketours.com/#_=_ Write a review Review Said to be the second largest in the world, this hot springs lake is a caldron of gray-blue water at a temperature ranging from 180 to 197 degrees Fahrenheit; a full-day rigorous hike with a guide is needed to visit this awesome sight. Morne Trois Piton National Park Dominica Dominica Get directions Rate and write a review Cancel replyYou must be logged in to post a comment. Is this your business?Claim it now.Make sure your information is up to date. Tours & Activities Mon-Thur: 12:00 – 23:00 Fri: 12:00 – 00:00 Sat: 9:00 – 00:00 Sun: 9:00 – 23:30