Chae Son National Park

Chae Son National Park is a 592 sq km protected area in Mueang Pan District, Lampang Province, northern Thailand, established on 28 July 1988 as Thailand's 88th national park. It is notable for its natural 73°C hot springs, the 6-tier Chae Son Waterfall, limestone caves and forested mountains of the Khun Tan Range. The park combines geothermal features, waterfalls and nature trails within mixed deciduous and evergreen forest.

Visitors can expect a forested mountain park centered on the Chae Son Hot Spring area with steaming mineral pools, rock pools for bathing, and an egg-boiling area where water reaches 73°C. Paved walkways connect bathhouses, private onsen-style rooms and picnic areas. Nearby is the 6-level Chae Son Waterfall, plus caves such as Pha Ngam Cave, nature trails, viewpoints, campsites and park bungalows surrounded by mixed deciduous forest and streams.

Established on 28 July 1988 as Thailand's 88th national park, covering 592 square kilometers across Mueang Pan and Chae Hom districts in Lampang Province. The park was created to protect the Khun Tan Range watershed, geothermal features and mixed deciduous forests under the Department of National Parks, Wildlife and Plant Conservation.

The hot springs have long been used by local communities in Lampang for bathing and cooking, with the tradition of boiling eggs in the mineral water becoming a distinctive visitor experience reflecting northern Thai local customs.