gemündener maar with the swimming area in spring

countrysite vulkaneifel gemuendener springtime reflection wilderness gemundener gemndener landscape stretches grassland reservoir mountains swimming mountain volcanic calderas inspring insroing waterway blooming germany belgium covered wetland vehicle boating caldera volcano blossom idyllic rolling spring forest summer region dauner mirror nature eifel rhine hills green field three maare water river shore coast marsh rural maar area west wide daun drei