Bridgewater Triangle

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Loren Coleman drew a triangle across southeastern Massachusetts in his 1983 book Mysterious America, bringing scattered reports of strange sightings under one name.

The Bridgewater Triangle was first defined by cryptozoologist Loren Coleman in his 1983 book “Mysterious America” as a loosely triangular region of southeastern Massachusetts bounded approximately by the towns of Bridgewater, Rehoboth, and Freetown. Coleman argued that this area experienced an unusually high concentration of paranormal phenomena compared to surrounding regions, including UFO sightings, Bigfoot encounters, ghost manifestations, and other unexplained events spanning several decades.

Reported phenomena within the Triangle include sightings of large, hairy humanoid creatures resembling Bigfoot, mysterious lights and aerial objects, phantom hitchhikers, and ghostly apparitions in locations like the Freetown-Fall River State Forest and the Hockomock Swamp. Native American folklore from the Wampanoag tribe traditionally considered the Hockomock Swamp an area of spiritual significance, with “Hockomock” meaning “place where spirits dwell.” This cultural backdrop has been incorporated into modern paranormal interpretations of the region.

Skeptics note that the Triangle’s boundaries are arbitrary and that similar collections of unexplained reports could be assembled for many comparable rural areas with sufficient investigation. The concentration of reports may reflect increased attention following Coleman’s initial identification rather than any inherent supernatural properties. No scientific studies have found evidence of anomalous activity beyond what would be expected from a region containing swampland, forests, and limited nighttime illumination that could contribute to misidentification of natural phenomena.

Another entry in this category is Dover Demon.

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