VethbachVethbach is a small river of Lower Saxony, Germany. It flows into the Lehrde near Wittlohe.geographyCourseThe Vethbach stream originates near Vethem in the district of Maienbruch and flows westward through the Walsrode districts of Vethem and Südkampen and through Wittlohe, a district of the municipality of Kirchlinteln. Northwest of Wittlohe, it flows into the Lehrde river from the left.