| C21 road | ||||
|---|---|---|---|---|
| Major junctions | ||||
| South end | C19 near Maltahöhe | |||
| Major intersections | B1 at Kalkrand | |||
| North end | C15 at Hoachanas | |||
| Location | ||||
| Country | Namibia | |||
| Highway system | ||||
| ||||
C21 is a secondary route in Namibia that runs from Maltahöhe to Hoachanas via Kalkrand. It is 173 kilometres (107 mi) long.
