"Lampang Sea" is the popular nickname for Wang Heua Reservoir, given due to its vast water surface and gentle waves that mimic a seaside atmosphere. Located in a valley bordering three districts (Mueang, Mae Tha, and Mae Moh) in Lampang Province, the landscape is characterized by wide blue waters reflecting the sky, surrounded by lush green mountains. It has become a premier destination for locals and visitors seeking a coastal-style retreat within the interior of Northern Thailand, symbolizing the harmonious blend of natural water resources and modern leisure lifestyles.