Cirrus IV
Cirrus IV was the fourth planet in its star system. The Emerald Wading Pool was located on this planet.

In 2368, aboard the , Dr. Crusher recommended a holodeck simulation of the Emerald Wading Pool on Cirrus IV to crewmember Kristin. By this point, she had been injured twice in a simulation of the Cliffs of Heaven of Sumiko IV when attempting to dive off the cliffs. ()

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Cirrus 04