luetsche reservoir in frankenhein near ilmenau in the thuringian forest

reflection nature lake tree wilderness landscape mountain sky cloud autumn water river reservoir meadow pond morning leaf background beautiful beauty blue color dam environment europe explore forest german green hiking luetsche lütsche lütschetalsperre mountains natural outdoor outdoors overlook park recreation rennsteig scenery scenic season summer thuringia thuringian tourism travel trees vacation view way wood frankenhein near frankenhain