the dry summer cliffs of the thur waterfalls or thurwasserfälle oder thurfaelle or thurfalle on the thur river

adventure alpine alps altitude attraction autumn background beautiful canton cliffs climate climb colorful drainage dry extreme gallen geology grassy green high highland highlands hiking hill hydropower journey landscape magnificent minerals mountain mountains natural nature obertoggenburg oder outdoor outdoors peaks picturesque region river route scene scenery scenic season spring summer switzerland thur thurfaelle thurfalle travel tree trekking trip unterwasser vacation valley view wall waterfalls wildflowers