Pha Chor Canyon | Gulf of Thailand

Pha Chor Canyon is a geological formation located in Mae Wang National Park, south of Chiang Mai, Thailand.

This natural site features a series of eroded sandstone cliffs and pillars.

Visual Characteristics

The canyon walls are composed of sandstone, exhibiting shades of brown and ochre. The formations reach heights of approximately 30 meters. Erosion has sculpted the sandstone into various pillar and wall shapes. The surrounding vegetation is dense tropical forest.

Location & Access Logistics

Pha Chor Canyon is situated approximately 40 kilometers south of Chiang Mai city center. Access is via Highway 108 (Chiang Mai-Hod Road). Turn off onto Mae Wang National Park Road (Route 1013) and follow signs for Pha Chor. The final approach involves a 1.2-kilometer walk from the parking area. Parking is available at the national park entrance. No public transport directly serves the canyon; private vehicles or organized tours are required.

Historical & Ecological Origin

Pha Chor Canyon is a result of natural erosion processes acting upon sedimentary rock layers over an extended geological period. The sandstone formations are believed to be ancient riverbed deposits. The area is classified as a tropical rainforest ecosystem.

Key Highlights & Activities

Walking the designated trail through the canyon is the primary activity. Photography of the rock formations is possible. Observation of local flora and fauna is also an option.

Infrastructure & Amenities

Restrooms are available at the national park entrance and parking area. Limited shade is present along the walking trail. Cell phone signal (4G) is intermittent within the canyon itself but generally available at the parking area. No food vendors are located directly at the canyon; provisions should be made prior to arrival.

Best Time to Visit

The best time of day for photography is early morning or late afternoon when the sun angle creates distinct shadows on the rock faces. The dry season, from November to April, offers the most favorable weather conditions. No tide considerations apply.

Facts & Legends

Local folklore suggests that the canyon was formed by a giant digging for treasure. Geologically, the erosion is attributed to wind and water action over millennia.

Nearby Landmarks

• Mae Wang National Park Headquarters (0.8km North)
• Doi Suthep-Pui National Park (35km North)
• Wat Phra That Doi Kham (38km North)
• Chiang Mai Zoo (42km North)