අගෝ6 Blow hole හුම්මානය. Posted on 2009 අගෝස්තු 6 by liyanagamage Blow hole හුම්මානය. The blow hole or Hummanaya in Mawella , Dicwella, is and attractive natural feature. Sea spray splashes up to 40-50 feet during the monsoon period and attracts many a foreign and local tourist. Share this:ShareStumbleUponDiggTwitterRedditLike this:LikeBe the first to like this post.