Gruithausen is a tiny lunarcrater that lies on the section of lunar mare that joins Oceanus Procellarum in the west to Mare Imbrium in the east. Southeast of Gruithuisen is the small Delisle crater. To the south is Dorsum Bucher, a wrinkle-ridge running in a north-south direction for about 90 kilometers.
The rim of Gruithuisen is relatively smooth and circular, projecting only slightly above the surrounding mare. The interior is relatively featureless with a small floor. To the north of the crater, along the edge of the highland peninsula between the two maria is a domed mountainous rise that is designated Mons Gruithuisen Gamma (Γ). Just to the east of this feature is another mountainous rise designated Mons Gruithuisen Delta (δ).
Satellite craters
By convention these features are identified on Lunar maps by placing the letter on the side of the crater mid-point that is closest to Gruithuisen crater.
Crater Fracastorius: a large crater which demonstrates the geologic history of the region: it transects the Nectaris Basin wall, indicating that it occurred after the Nectaris Basin impact.
Crater chains are generally the result of a string of meteorites which are still gravitationally bound.
Crater Tycho: One of the youngest complex craters on the moon.
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