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TL;DR: Mae On Reservoir is located at On Nuea Subdistrict, Mae On District, Chiang Mai, open Generally open daily (this is an irrigation reservoir and a natural community, hours Recommended 06:00 – 18:00.

Mae On Reservoir

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Open Days: Generally open daily (this is an irrigation reservoir and a natural community area; please visit without disturbing local use and avoid periods of heavy rain)

Opening Hours: Recommended 06:00 – 18:00

Mae On Reservoir (Huai Mae On Reservoir) is located in On Nuea Subdistrict, Mae On District, Chiang Mai Province. It is a mid-sized reservoir that plays an important role in both irrigation and as a natural space for local recreation. The area features a wide body of water surrounded by hills and watershed forest, creating a calm, open atmosphere ideal for spending slow, quiet time close to nature.

The reservoir functions as key water-management infrastructure for the Mae On area, storing water for use during the dry season and helping regulate water volume during the rainy season to reduce flood risk in nearby sub-basins. Its management system is designed to suit the mountainous terrain, allowing stored water to be used continuously for both agriculture and everyday domestic needs.

In terms of scenery, Mae On Reservoir offers reflective views of the surrounding hills and sky on its water surface, especially in the early morning and late afternoon when the light is soft. This gives the landscape depth and makes it ideal for photography. At times, visitors may also see simple local lifestyles, such as traditional fishing or community use of the shoreline that coexists respectfully with nature.

Visitors to Mae On Reservoir should prioritize safety and respect for its primary function. Swimming or water activities are not recommended, as this is an irrigation reservoir without tourist safety facilities. Responsible visitation helps ensure the reservoir continues to serve both as a vital water resource and a shared community space in a sustainable way.

Getting There From Chiang Mai city, head toward San Kamphaeng–Mae On and continue into On Nuea Subdistrict. The route includes mountain roads and continuous curves, so drive carefully and avoid traveling during heavy rain or at night if you are unfamiliar with the area.

Place Name	Mae On Reservoir (Huai Mae On Reservoir)
Location	On Nuea Subdistrict, Mae On District, Chiang Mai
Highlights	A valley reservoir with a peaceful atmosphere, ideal for sightseeing and relaxation
Nearby Attractions	Muang On Cave (7 km) San Kamphaeng Hot Springs (12 km) Mae Kampong Village (20 km) Mae Kampong Waterfall (22 km) Teen Tok Royal Project Development Center (24 km)
Nearby Restaurants	OonBox (13 km) Tel. 081-783-1742 Krua Lung Rat Mae On (15 km) Tel. 091-853-2939 Krua Thepa (16 km) Tel. 084-042-5288
Nearby Accommodations	The White House (10 km) Tel. 081-895-9008 Sippa Hot Spring Resort (15 km) Tel. 098-295-2652 Tharnthong Lodge (20 km) Tel. 091-072-6049