Riley is a crater on

Venus Venus is the second planet from the Sun. It is often called Earth's "twin" or "sister" planet for having almost the same size and mass, and the closest orbit to Earth's. While both are rocky planets, Venus has an atmosphere much thicker ...

. The crater is in diameter. The floor of the crater is below the plains surrounding the crater. The crater's rim rises above the plains and above the crater floor. The crater's central peak is high. The crater's diameter is 40 times the depth resulting in a relatively shallow appearance.Catalog Page for PIA00266
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References

Impact craters on Venus {{Venus-crater-stub