+A **crevice** is a narrow [Gap](/wiki/gap) or fissure, often found in [Rock](/wiki/rock) formations or other solid materials. These tight spaces can form naturally through erosion or geological stress, or be human-made. A crevice often provides a unique microhabitat for specific organisms, offering shelter or concealment.
+## See also
+- [Fissure](/wiki/fissure)
+- [Crack](/wiki/crack)
+- [Canyon](/wiki/canyon)