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Discover the Fiery Wonder of Eternal Flame Falls

10/25/2025

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Summary

Story summary

Eternal Flame Falls, a 30-foot waterfall in Chestnut Ridge Park, New York, features a natural gas seep that fuels an uninterrupted flame behind the falls, best visited in early spring.
The flame can grow up to 8 inches tall, is protected by a grotto, and burns continuously.
The Hanover Shale from the Devonian period yields the gas, and hydrogen sulfide and methane create a rotten-egg odor.

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Story summary

Eternal Flame Falls, a 30-foot waterfall in Chestnut Ridge Park, New York, features a natural gas seep that fuels an uninterrupted flame behind the falls, best visited in early spring.
The flame can grow up to 8 inches tall, is protected by a grotto, and burns continuously.
The Hanover Shale from the Devonian period yields the gas, and hydrogen sulfide and methane create a rotten-egg odor.