Many details mentioned in the Enoshima Engi up to this point have been supported by evidence and in some cases by several pieces of evidence. Some details, such as the identification of the lake and the village at Tsumura, may be regarded as very probable of confirmation. Following is a list of pertinent details.

Detail	Supported by
Presence of the lake (Fukasawa)	Geological evidence, place-names
Vast size of the lake	Geological evidence
Relative lack of inhabitants on the edges of the lake	Archaeological evidence
Presence of inhabited valley in South Hill (Kataseyama)	Archaeological evidence
Presence of Tsumura village in valley with boat landing (harbor)	Geological/archaeological evidence, place-names
Presence of caves dug into the sides of hills where the history says people took refuge	Archaeological evidence
Identification of the dragon as a deification of (flood) waters	Textual evidence
The mouth of the river and its main tributaries representing the mouth of the dragon and its other heads	Observations
Presence of flooding and earthquakes	Geological evidence