Hukou Waterfall is located at the junction of Hukou Town, Jixian County, Linfen City, Shanxi Province and Hukou Township, Yichuan County, Yan 'an City, Shaanxi Province. It is a big waterfall on the Yellow River and a famous tourist attraction.
Langgu is located in Longzhou Town, Jingbian County, Yulin City, Shaanxi Province, China. It is a scenic spot with peculiar natural landscape and rich tourism resources, and it is named after its spectacular scene of choppy waves after rain or at dawn.
Therefore, the specific distance from Hukou Waterfall to the trough depends on the selected starting point and transportation mode. If you start from Hukou Town, Shanxi Province to Langgu, Shaanxi Province, the straight-line distance is about 375.9 kilometers, and the driving time is about 4 hours and 30 minutes. If you set out from Hukou Town, Shaanxi Province to Langgu, the journey takes about 244 kilometers and about 3 hours. However, the actual time consumption is also related to the specific route and road conditions. Please refer to the actual situation.