Mae La Na Cave is located in Bang Mapha in Mae Hong Son Province, and is considered the longest cave in Thailand, with a length of about 12 kilometers, and if you want to walk around this entire cave, it will take about 10 hours or more, and in it you can find stalagmites And shimmering stalactites, and the water current that permeates it is home to eyeless and colorless fish that live in a dark environment, and this cave is suitable only for adventurous tourists.