stream bohlenbach in winter in the forest eckernworth in the town walsrode, lower saxony

water rock waterfall stream river watercourse rapid nature wilderness geology tree terrain formation cliff ravine creek plant bohlenbach winter forest eckernworth town walsrode lower saxony germany source spring cascade german germany lower saxony north northern old walsrode lueneburger heide nature tree park landscape scenic trees green scenic wood wooden europe heath european leaf color colorful fall heidekreis forest water creek stream bohlenbach valley eckernworth pond walsrode winter snow ice cold frost spring source