Located 42 km south of Phnom Penh and 27 km north of Takeo, Phnom Chisor mountain rises to 133 metres in the village of Sia, Rovieng commune, Samraong district. At its summit, an 11th-century Brahmanical temple overlooks the Bassac rice plains. The site blends archaeology, religious heritage and sweeping provincial vistas.

Why visit Phnom Chisor

Phnom Chisor combines multiple interests within a single site, accessible as a day excursion from Phnom Penh or Takeo:

• An 11th-century temple-mountain, among the oldest surviving witnesses to Khmer Brahmanism outside Angkor.
• Unobstructed views over Bassac rice fields, Phnom Da to the south and ancient Angkor Borei.
• A monumental ceremonial staircase and meditation cave linked to Brahmanical ascetics.
• Moderate tourist traffic, making the visit more contemplative than at major Angkor sites.

History and significance of the site

The temple was built in the 11th century under the reign of Suryavarman I, a sovereign who introduced Brahmanism to this part of the Khmer kingdom. Originally, the sanctuary bore the name Sri Suryaparvata, "the mountain of the sun," and was dedicated to the Hindu deities Shiva and Vishnu. Constructed in laterite and brick, the complex measures roughly 60 metres long by 50 metres wide. A vast stone courtyard, once stretching a hundred metres long by 80 metres wide, once surrounded it; only vestiges remain.

The site's recent history was shaped by the upheavals of the 20th century. The Buddhist pagoda erected near the temple is attributed to a reconstruction in 1917, before being destroyed in the 1970s. Phnom Chisor was then hit by bombardments linked to the Vietnam War, which notably damaged the entrance to the nearby cave. The pagoda was rebuilt in 1979.

What to see on site

The summit temple

The main temple, partially ruined, preserves several carved lintels and ornate pillars. The central hall, framed by two doorways, houses a wooden statue and today receives Buddhist devotions: monks and pilgrims come to venerate statues installed within the former Hindu cella. This layering of Brahmanical and later Buddhist uses typifies many Khmer sanctuaries.

The ceremonial staircases

Two grand staircases structure access to the summit: 390 steps on the western slope, 408 steps on the southern slope. A third staircase, to the east, connects the temple to the secondary sanctuaries of Sen Chhmos and Sen Phouvang as well as to the sacred lake. According to local tradition, the main staircase's axis points toward Angkor Wat; this symbolic orientation remains debated by scholars.

Son Reveang and the Tonle Om baray

At the foot of the hill, beneath the access staircase, the Son Reveang building now serves as a Buddhist place of worship. It houses a golden Buddha statue protected by the seven-headed Naga Muchalinda. Beyond extends Tonle Om, the temple's baray (ritual reservoir), considered sacred and used by pilgrims during purification rites.

The Vimean Chan cave

Roughly 150 metres south of the temple, Vimean Chan cave was once frequented as a meditation centre by Brahmans and ascetics. Its entrance still bears traces of 1970s bombardments, with collapsed blocks visible on approach.

Practical information

• Visit duration: allow 2 to 3 hours on site, including ascent and descent.
• Physical exertion: approximately 400 steps to climb, with limited shade. Bring water, a hat and closed-toe shoes.
• Entrance fee: modest, payable in US dollars upon arrival. Since rates are regularly adjusted, check in advance with your guide or travel operator.
• Dining: stalls at the foot of the hill offer drinks and simple meals, including local grilled chicken.
• Dress code: shoulders and knees should be covered for temple and pagoda access.

When to visit Phnom Chisor

The dry season, from November to March, remains most comfortable for the climb and ensures unobstructed views over surrounding rice fields. Temperatures climb steeply between March and May. The rainy season (June to October) brings verdant growth to the Bassac plains, but steps can become slippery after a downpour. Prefer an early morning or late afternoon visit to avoid peak midday heat.

The site comes particularly alive during Buddhist festivals, notably Pchum Ben (September-October) and the Khmer New Year (mid-April), which draw numerous pilgrims.

How to get there

Phnom Chisor is most easily reached from Phnom Penh, via National Road 2 heading toward Takeo. Several options are available:

• Regular bus Phnom Penh – Takeo: ask the driver to let you off at the junction on Highway 2, then take a tuk-tuk or motorbike taxi to the foot of the mountain.
• Private car with driver: the most convenient option for combining Phnom Chisor with other provincial sites in a single day.
• Organised excursion from Phnom Penh, often paired with Tonle Bati or Phnom Da.

Nearby attractions

• Phnom Da and Angkor Borei, south of Takeo: pre-Angkorian sanctuaries and archaeological museum evoking the ancient Funan kingdom.
• Choeung Ek, the Khmer Rouge Memorial, on the return route to Phnom Penh.
• Takeo city and its lake-studded landscapes, 27 km to the south.

Frequently asked questions

To incorporate Phnom Chisor into an itinerary combining Khmer heritage and southern plains, consult our Cambodge journeys.