A small crater lies across the southern rim, and the side bulges outward slightly along the southwestern face.

This rise is unusual in that it is taller than the outer rim; most peaks are only about half the crater depth.

Composer Ralph Towner made a tune called Icarus which was released in an album of the Paul Winter consort.

the Apollo 15 crew named two moon craters after Ralph Towner's compositions "Ghost Beads" and "Icarus".

[1][2] By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Icarus.