The route begins at an intersection with NM 48 slightly north of the small town of Angus.

After a brief stretch, the road again enters the national forest, turning west and north near Nogal Lake.

NM 37 passes the town of Nogal after again exiting the national forest.

The route's northern terminus is at a junction with US 380 between Capitan and Carrizozo.

Geographic data related to New Mexico State Road 37 at OpenStreetMap