Rangana Fort  or Prasiddhagad  is a very rare example of what can happen when extreme nature and extreme human achievements can do. Rangana Fort situated in deep core forests and on a peek where even modern amenities fails in today’s world so one can imagine how and what made it possible to built and portray a fort structure in such dense and dangerous area. 
Rangana fort is famous as Prasidhdha Gad in the Maratha history situated in the Sahyadri Mountain on the boundary of Kolhapur and Sindhudurg districts of Maharashtra at the height of 2600 ft above MSL. The capital of Kolhapur region was Panhala at all times. Rangana is situated at 50 km south of Panhala. Fort not easily accessible, strong and not easily defeat able even to enemies.

Rangana fort, situated in Bhudargad taluka, dates back to the “Shilahar” dynasty (940 AD). This fort was built by King Bhoj of Shilahar dynasty. It was conquered by rulers of the Bahamani kingdom, and later by AdilShah. Shivaji Maharaj won the fort after slaying Afzal Khan in 1659. Later the fort was built on the orders of Chhatrapati Shivaji Maharaj. There are references of Shivaji Maharaj bestowing rewards on the fort’s builders, Aroji Yadav and Firoji Farjand.