evergreen forest or coniferous trees on the slopes of the ratikon border mountain massif or raetikon, mainfeld - canton of grisons

autumn beautiful beauty black blue border canton coniferous day earth eco ecology evergreen fir flora foliage forest grass graubuenden green grisons isolated landscape mainfeld massif mountain natural nature outdoor outdoors panorama park pine plant raetikon ratikon rural scene scenic season sky slopes spruce summer sunlight sunny swiss switzerland top tourism travel tree trees vegetation view wild wilderness wood woodland woods