17 kilometres from Karanprayag on the Karanprayag - Ranikhet road, are a group of sixteen temples, belonging to the Gupta period. Among them is the Narayan temple, where a black stone idol of Vishnu, three feet high is enshrined. This place is within the Badrikshetra, and Badrinath being the name for Vishnu, the temple is known as the Adi Badri. It is believed that Adi Guru Shankaracharya had initiated the construction of these temples. The main temple of Narayan is distinguished by a raised platform in the pyramidal form, where the black stone idol of lord Vishnu is enshrined.