A partial mosaic of the lunar terminator:
This is a part of the mosaic above, in the center of the image are the Montes Caucasus, top center is the Montes Alpes mountain range, dissected by the Vallis Alpes.
The image below shows the central part of the lunar disc right on the terminator. The Hyginus and Ariadaeus Rilles are visible, and faintly the Triesnecker Rilles too.
Detail of the image above where the Rilles ar better visible: