mettlach, germany - 07 17 2024: saar river lock and sluice with much water on the waterfall

river lake boating reservoir vehicle boat water waterway rapid bay tree pond sea shore watercraft canoe wilderness mettlach germany 2024 saar waterfront street ship departure small town valley close saarschleife north german area saarland borders luxembourg france idyllic quiet touristic summer bike routes ships passing lock sluice waterfall sarre saravus channel channeled managed calm canal schleuse staustufe wall management shipping tourism travel destination trip famous tourist vacation journey saargebiet der