Although not an ancient historical relic, Khe Ngang Lake still holds an interesting story about its formation. Originally, the lake was built as a hydropower project to store water for electricity production and local agricultural irrigation. Local people also took advantage of the lake for cage fish farming, contributing to the local economy. Gradually, thanks to its pristine natural beauty, the lake became an eco-tourism destination, attracting tourists, especially young people and couples.
The lake became even more famous when it was chosen as the filming location for singer Son Tung M-TP's music video "Chung Ta Cua Hien Tai" (Us of the Present), featuring romantic scenes beside the blue lake and sunflower hills. This helped put Khe Ngang Lake on Hue's tourist map, transforming it from a little-known spot into a social media check-in sensation. Although not yet professionally exploited for tourism, the lake still retains its wild, non-commercialized charm, making it an ideal stopover for those wishing to reconnect with nature.




