Clerve

{{refimprove|date=January 2009}}

{{Infobox river

| name = Clerve

| image = Clerve valley.jpg

| image_caption = The Clerve near Clervaux

| source1_location = Huldange

| mouth = Wiltz

| mouth_location = Kautenbach

| mouth_coordinates = {{coord|49.9514|6.0170|display=it|region:LU_type:river}}

| subdivision_type1 = Country

| subdivision_name1 = Luxembourg

| length_km = 48

| source1_elevation = {{convert|530|m|ft|abbr=on}}

| discharge1_avg =

| basin_size_km2 = 222

| progression = Wiltz→ {{RSauer}}

}}

The Clerve ({{langx|lb|Klierf}}) is a river flowing through Luxembourg, joining the Wiltz at Kautenbach. It flows through both the towns of Troisvierges and the town of Clervaux. Upstream of Clervaux, it is known as the Woltz.{{cite web|url=http://www.ohwy.com/lu/w/woltzriv.htm|title=Woltz, Luxembourg (Rivers and Streams)|work=Online Highways|access-date=2009-05-30}}