The Kaas Plateau, also known as the Kaas Pathar or Kas Sadas, is a plateau situated 25 kilometres west from Satara city in Maharashtra, India. It falls under the Sahyadri Sub Cluster of the Western Ghats, and it became a part of a UNESCO World Natural Heritage Site in 2012.

It is a biodiversity hotspot known for various types of seasonal wild flowers bloom and numerous species of endemic butterflies annually in the months of August and September.

The plateau is situated at an altitude of 1200 metres and is approximately 10 square kilometers in area.Kaas has more than 850 different species of flowering plants of which 624 are listed on the IUCN Red List.These include orchids, shrubs such as the Karvy, and carnivorous plants such as Drosera Indica.