Tianfeng Summit, is the highest peak in Hunyuan County, Datong City. The steep north slope is covered with verdant pine trees. Climbing onto the top of the mountain, you will see endless pine trees, some of them growing on the cliff with roots burrowing in the rocks, exotic flowers and rare herbs and odd-shaped stones, and so forth. The tourists are too delighted to return home. The south slope is studded by lots of temples where emperors worshipped the North Mountain.

Mt. Hengshan Scenic Spots has temperate semiarid continental climate and distinct four seasons. Annual average temperature in Mt. Hengshan is 6.1 degree centigrade. It features cold-dry winters, windy springs, short rainy summers, and short sunny autumns. There is extreme temperature difference between daytime and at night.