Doi Nang Non
Mountain Karst ridge shaped like a sleeping woman peak
Doi Nang Non, a limestone ridge in Chiang Rai province, features karst cliffs, caves and hill‑tribe farmland; the area gained wider attention after the 2018 cave rescue and now draws hikers, cave visitors and viewpoint seekers.
Doi Nang Non is a karst mountain ridge in Chiang Rai province, northern Thailand, known locally as the “Mountain of the Sleeping Lady.” It is most widely noted for the Tham Luang cave complex located within the ridge.
The range offers ridge viewpoints and entrances to cave passages; the Tham Luang system drew international attention during the July 2018 cave rescue of a youth football team. Hiking and viewpoint access are the main reasons most people visit, alongside guided cave tours where permitted.
The ridge is a natural karst formation shaped by limestone dissolution and cave development over geological time. Modern interest in the area increased sharply after the 2018 rescue operation, which involved international cave-diving teams and emergency services.
Doi Nang Non sits in northern Thailand’s highland terrain within Chiang Rai province, west of the provincial capital. The ridge is part of the local watershed and is accessible from nearby towns and villages in the surrounding hills.
- Tham Luang cave rescue: The cave system at Tham Luang Nang Non was the site of a high-profile international rescue operation in July 2018 that brought global attention to the area.
- Sleeping lady silhouette: The ridge is a karst formation whose silhouette is commonly described as a reclining woman, which is the source of the name.
Tips for Visiting Doi Nang Non #
- Visit during the cool, dry season (roughly November-February) for clearer views and safer hiking conditions - the area can be very wet and slippery in monsoon months.
- If you plan to approach caves in the Doi Nang Non range (including the Tham Luang area), don't enter unaccompanied: use licensed local guides and heed any memorials or restricted zones set up after the 2018 cave rescue.
Best Time to Visit Doi Nang Non #
The cool, dry months from November to February are the best time to visit for hiking and clear mountain views.
Weather & Climate near Doi Nang Non #
Doi Nang Non's climate is classified as Humid Subtropical (Dry Winter) - Humid Subtropical (Dry Winter) climate with hot summers (peaking in May) and mild winters (coldest in January). Temperatures range from 11°C to 33°C. Abundant rainfall (1579 mm/year), wettest in August with a pronounced dry season.
January
January is mild with highs of 26°C and lows of 11°C. The driest month with just 10 mm and mostly sunny skies.
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February
February is mild with highs of 29°C and lows of 13°C. Light rainfall and mostly sunny skies.
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March
March is mild with highs of 32°C and lows of 15°C. Light rainfall and mostly sunny skies.
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April
April is warm with highs of 33°C and lows of 19°C. Moderate rainfall (78 mm).
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May
May is the warmest month with highs of 31°C and lows of 21°C. Heavy rain (202 mm) and mostly overcast skies.
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June
June is warm with highs of 30°C and lows of 22°C. Significant rainfall (185 mm) and mostly overcast skies.
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July
July is warm with highs of 29°C and lows of 22°C. Heavy rain (295 mm) and mostly overcast skies.
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August
August is warm with highs of 29°C and lows of 21°C. The wettest month with heavy rain (337 mm) and mostly overcast skies.
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September
September is warm with highs of 29°C and lows of 21°C. Heavy rain (238 mm) and mostly overcast skies.
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October
October is mild with highs of 28°C and lows of 19°C. Significant rainfall (125 mm) and partly cloudy skies.
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November
November is mild with highs of 26°C and lows of 16°C. Moderate rainfall (54 mm).
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December
December is mild with highs of 25°C and lows of 12°C. Light rainfall.
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