Ключевые слова: active tourism, aragon, aragonese pyrenees, arc orogenic europe variscan, autumnal, branches, change season, colorful, conservation, deciduous, ecology, ecosystem, environment, environmental wealth, foliage, forest, formed during the cenozoic era, global warming, gloomy, habitat, halftime, heritage, huesca province, leaves, leaves warm color, legal status, life, life cycle, living room, mountain range, mountain tourism, mysterious, native folding mountain range, natural beauty, natural warm color, nature, nature protection, next to old age, north of the province of huesca, northeast of the iberian peninsula, orange color, oxygen, oxygen cycle, park, photosynthesis, phytozoogeographic region, plants, protected area, protection, pyrenees, reserve, scientific, season, seasonal, seasons, seasons between summer and wintermature, shadow, spanishfrench border high mountains, sunset, the pyrenees, tree, trees, treetops, trunk, vegetation, wildlife, wildlife refuge, yellowing,