Visit Tuol Sleng (S-21) and the Choeung Ek Killing Fields on a guided half‑day tour from Phnom Penh, then share a traditional Khmer lunch. This emotionally powerful experience combines historical context with local insight—plan for heat, respectful clothing, and time to reflect.
More ways to explore the area's outdoor wonders
You step off the minivan into humid Phnom Penh air and the city’s heat seems to hold its breath—this tour begins in a quiet street-front schoolhouse turned museum where the walls still carry the marks of interrogation. Walking through Tuol Sleng (S-21), the rooms are clinical and stark; placards and photographs map a recent national trauma that shaped modern Cambodia.
Difficulty
moderate
Duration
4–5 hours
Fitness Level
Light to moderate walking on flat urban and uneven cemetery paths; should be able to stand and walk for several short periods.
Wildlife
History
Tuol Sleng (S-21) was a former school converted into a prison and interrogation center by the Khmer Rouge; Choeung Ek is the nearby mass graves site where thousands were executed between 1975–1979.
Conservation
Respect signage and stay on paths at memorials; purchase local services and museum donations to support preservation and education efforts.
Reserve your spot on the S21 & Killing Fields Tour with Khmer Lunch & Drink today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Dress respectfully
Wear clothing that covers shoulders and knees—these are memorial sites and some buildings require modest attire.
Hydrate and pace yourself
Bring a refillable water bottle and plan a slow pace—the heat and emotional weight make the visit more taxing than distance alone.
Follow photography rules
Observe signage; photography is restricted in certain areas of S-21 and always avoid photographing human remains.
Bring cash for tips and small purchases
ATMs are limited near the memorials—carry small bills for guide tips or museum donations.
Lightweight long-sleeve shirt
Protects against sun and is respectful in sacred spaces.
summer
Sturdy closed-toe shoes
Useful for uneven ground at Choeung Ek and damp or dusty museum grounds.
Refillable water bottle
Keeps you hydrated in Phnom Penh’s heat; many tours include bottled water but extras help.
summer
Sun hat and sunscreen
Provides sun protection during outdoor sections at the Killing Fields.
summer