thur waterfalls or thurwasserfälle oder thurfälle thurfaelle or thurfalle on the thur river and in the obertoggenburg region

adventure alpine backdrop beautiful canton canyon canyoning cascade cascades cliff creek ecology environment extreme fall flow flowing foliage forest gallen green high hiking kanton landscape leaves moss mountain mountains natural nature obertoggenburg oder outdoor outdoors region river rock scenery scenic schweiz speed stone stream summer swiss switzerland texture textured thur thurfaelle thurfalle thurfacurren lle thurwasserfacurren tree trekking unterwasser view wallpaper wanderlust water waterfalls wild wilderness