Lehbach

{{short description|River in Germany}}

{{infobox river

| name = Lehbach

| map =

| map_size =

| map_caption =

| image = Hochmoor knueppeldamm.jpg

| image_size =

| image_caption = Raised bog at Ellersbach

| subdivision_type1 = Country

| subdivision_name1 = Germany

| subdivision_type2 = State

| subdivision_name2 = Rhineland-Palatinate

| subdivision_type3 = Reference no.

| subdivision_name3 = DE: 26562

| length_km = 6.6|length_ref=

| width_avg =

| depth_avg =

| source1_location = In the Osburger Hochwald at the foot of the Rösterkopf

| source1_coordinates = {{Coord|49.6666917|6.8154556|type:river_region:DE-RP|format=dms|display=inline}}

| source1_elevation = ca. {{Höhe|640|DE-NN|link=true }}

| mouth_location = Near Niederkell into the Ruwer

| mouth_coordinates = {{Coord|49.6204944|6.7864500|type:river_region:DE-RP|format=dms|display=inline,title}}

| mouth_elevation = ca. {{Höhe|426|DE-NN|link=true}}

| basin_population =

| basin_landmarks =

| progression = {{RRuwer}}

| basin_size_km2 = 12.794|basin_size_ref=[http://www.geoportal-wasser.rlp.de/ Wasserwirtschaftsverwaltung Rheinland]

| discharge1_location =

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| discharge1_avg =

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| waterbodies =

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| custom_label = References

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}}

The Lehbach, in its upper reaches also called Spalbach, is a right-hand tributary of the Ruwer in the county of Trier-Saarburg in the German state of Rhineland-Palatinate.

It has a length of {{convert|6.602|km}}, a catchment area of {{convert|12.794|km2}}. Its GKZ is 26562.

It rises in the highlands of the Osburger Hochwald at the foot of the Rösterkopf mountain and, together with the {{convert|3.205|km|mi|adj=mid|-long}} Ellersbach (also Kreidbach), in whose source region is a raised bog, impounded to form the {{ill|Keller Reservoir|de|Keller Stausee}}.

The Lehbach lies within the Naturschutzgebiet (nature reserve) of {{ill|Keller Mulde|de}} and discharges near Niederkell into the Ruwer.