The second largest of the six large blow holes in the world. The most spectacular display of the blowhole can be seen during the southwest monsoon, especially in June. The outlet is at a top of the fissured cliff about 20 metres above the sea level. The fountain shoots up to 18 meters depending on the strength of the waves. Hummanaya is the only known blowhole in Sri Lanka and it may be the second largest blowhole in the world. Meaning of the word “Hummanaya” (Sinhala: හුම්මානය = හූ+මානය) is the distance a sound of "hoo" can be heard. Location It is located after Matara and Dikwella town in the Southern Province and at small fishing village called Kudawella 1.1 kilometres (0.7 mi) to the right. Dikwella is a coastal town 180 kilometres (111.8 mi) far away from Colombo and 22 kilometres