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Simeiz Vallis 
Summary
Simeiz Vallis is a valley at 13.2 S, 64.3 W on Mercury. It is named after Simeiz Observatory.[citation needed]
| Feature type | Vallis |
|---|---|
| Coordinates | 13°12′S 64°18′W / 13.2°S 64.3°W |
| Eponym | Simeiz Observatory |