Nashik-Trimbakeshwar Simhastha is a Hindu religious mela held every 12 years in the Nashik district of Maharashtra, India. The name of the festival is also transliterated as Sinhastha or Singhastha. It is one of the four fairs traditionally recognized as Kumbha Melas, and is also known as Nashik-Trimbak Kumbha Mela or Nashik Kumbha Mela.