unactive vulcano mouth, snowy mountains tops on horizonin, leirhnjúkur, krafla vulcano, iceland

attraction background beautiful blue cliff cloud clouds contrast dangerous day dramatic energy europe fall field geology grass hike hikking horizonin ice iceland icelandic krafla landscape leirhnjukur leirhnjúkur light mountain mountains mouth national natural nature nobody north outdoor outdoors park people places rock sand sky snow snowy stone sunny top tops tourism tourist travel unactive valley view volcanic volcano vulcano walk walking white winter women