The content of this product is provided by machine translation and may not reflect the actual information, please take this into consideration before booking.Bipenggou: A three-dimensional poem of the Hengduan Mountains, a walking encyclopedia of nature. Hidden at a dramatic turn in China's topographical ladder, in the transition zone from the western Sichuan Plateau to the Chengdu Plain, lies a natural complex that combines the grandeur of glaciers, the vibrancy of colorful forests, the sanctity of snow-capped mountains, and the richness of human culture—Bipenggou. Winding its way in from the mouth of the ravine, the steep mountains on both sides and the wide, straight valley floor are typical of a glacial U-shaped valley. Like a deep incision in the earth, it silently tells the story of how the massive ice mass that once filled the entire valley, with unparalleled power, carried rocks and slowly plowed through, reshaping the landscape. The towering, mirror-smooth cliffs of Swallow Rock Nest, hundreds of meters high, and the clearly visible glacial striations on them, are the most authoritative "signature" of this monumental sculpting. As glaciers retreated, massive glacial moraines blocked river channels, forming the interconnected cluster of alpine lakes we see today. Longwang Lake, like a serene piece of imperial jade, boasts waters so clear that even millennia-old glacial debris (deadwood) lies beneath its surface, creating a surreal panorama that bridges the past and present. Lakes such as Panyang, Hongshan, and Tianji appear in succession as the altitude increases, each possessing a unique color and character. Reflecting the snow-capped mountains and forests, they are the most vibrant eyes the glaciers have left us. April-May: Below the snow line, alpine flowers such as primroses and meconopsis are the first to sprout, and rhododendrons bloom in a sea of color from the bottom of the valley to the mountainside, creating a beautiful contrast with the remaining snow. June to August: The mountains and fields are bathed in the deep green of fir and spruce trees, becoming natural air-conditioned rooms. When shrouded in rain and mist, the forest appears even more secluded and mysterious, and the waterfalls and streams flow abundantly, roaring loudly. September-October: This is the most magnificent chapter in Bipenggou's history. Dozens of color-changing plants (maple, tulip tree, rowan, birch, etc.) ignite the entire valley. Golden yellow, crimson, orange, and deep purple, like an overturned palette, stage an extremely intense color carnival against the backdrop of snow-capped mountains and blue sky. November to March of the following year: The world is covered in silver and snow, and all is quiet. Waterfalls freeze into ice sculptures of all shapes and sizes, forests are covered with frost, lakes are covered with ice, and the whole world returns to a simple and pure black and white ink painting style. In most areas of the valley, visitors cannot see the beautiful frontal view of Mount Siguniang, but the massive, majestic, and perpetually snow-capped ridge of Mount Sigula dominates the highest point of the skyline with its overwhelming presence. It is not only a geographical high point but also a cultural one. For the Jiarong Tibetan people who have lived here for generations, Sigula is a deity who protects the region, a symbol of purity, power, and order. The prayer flags fluttering in the wind, the silently accumulated mani stones, and the ancient legends about the mountains and rivers deeply integrate the natural landscape into their belief system. The richness of Bipenggou is also reflected in its diverse ways of experiencing it. Along the well-paved ecological wooden boardwalk, one can easily circle Longwanghai Lake and stroll along the shores of Panyang Lake, a classic way to appreciate the core scenery suitable for all ages. At the entrance to the valley and in Li County, you can stay in Tibetan-style guesthouses, savor authentic local delicacies such as butter tea, tsampa, and yak meat, participate in the Guozhuang dance, and experience the warm and simple folk customs of the Jiarong Tibetan people.