Colmont

{{Infobox river

| name = Colmont

| image = FrancePaysDeLaLoireNormandieDesertinesHeusseLaColmont.jpg

| image_caption = The Colmont near Heussé

| map = Colmont (rivière) OSM.png

| source1_location =

| mouth = Mayenne

| mouth_location =

| mouth_coordinates = {{coord|48.3811|-0.604|display=inline,title|format=dms}}

| progression = {{RMayenne}}

| subdivision_type1 = Country

| subdivision_name1 = France

| length = {{convert|50.4|km|mi|abbr=on}}

| source1_elevation =

| discharge1_avg =

| basin_size =

}}

The Colmont ({{IPA|fr|kɔlmɔ̃}}) is a {{convert|50.4|km|mi|abbr=on}} long river in western France located in the departments of Orne, Manche (Normandy) and Mayenne (Pays de la Loire). It is a tributary of the river Mayenne on the right side, and so is a sub-tributary of the Loire by Mayenne and Maine.{{Sandre|M32-0300|la Colmont}} It flows into the Mayenne near Saint-Loup-du-Gast. Its longest tributary is the Ourde (11 km). The largest town on the Colmont is Gorron.