An Emerald Wading Pool was a leisure attraction. They existed on Cirrus IV and Sumiko III.

A holographic representation of the pool was among the holodeck programs available for use on the USS Enterprise-D. It was recommended to Kristin by Doctor Beverly Crusher, who thought it would be safer than a recreation of the Cliffs of Heaven on Sumiko IV. (TNG: "Conundrum")

A simulation of the pool on Sumiko III was also available aboard the USS Enterprise-E in 2373. It was advertised as a safe experience. (Star Trek: First Contact)

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