Si Lanna National Park is prestigious park to commemorate the 5th anniversary of King's birthday. The park was announced a National Park on the 1st August 1989 (B.E. 2532) on the King's multifarious duties, volume 106 section 120. It is the 60th National Park of Thailand. The park encompasses 1,406 km 2 , covering 3 Amphur of Chiang Mai province: Mae Taeng, Prao, Chiang Dao.
The park is surrounded by the valleys and a mountain chain lies from north to south. The source of Mae Ngad resirvoir is along with several brooks and creeks, which water rushes down from the valleys to Mae Ngad reservoir. Southwest of the brooks, the water rushes down to Mae Ping River.
Mon Hin Lai Waterfall
Mae Ngad Somboon Chon Reservoir
Jedsi Spring (Rainbow Spring)
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