Agastyamuni Mandir is located around 25 km from Guptkashi
and around 7 km from Tilwara in Uttarakhand. The shrine is dedicated to Sage Agastya. The sanctum sanctorum of the temple has a murti of Agastya Muni,
Shringi Rishi and Hanuman.
The temple complex also has murtis of Sri Krishna and
Vishnu. The mandap area of the temple has a Shivling with Lord Vishnu and
Ganesha standing in front of the pillars.
The guardian deity of the shrine is Chetrapal Bhairav.
There is also a havan kund in the temple which is opened
only once in twelve years.
The main temple structure is simple with its chhatra mounted
with wooden cupola. A brass kalash is atop the shikar.
The important festival observed here are Panchami and Chath.
Important rituals include Ratri Puja and Char Prahar Puja.
A shobha yatra, which passes through 217 villages, is held
in Baishakh month.
The main offering in the shrine are sesame oil, first crops
of the season, and seeds of bhang or cannabis.