Overview

Two of Southern Vietnam’s most remarkable sites in one day — the wildly colourful Great Holy See of Caoài­sm in Tay Ninh, and the 200-kilometre wartime tunnel network buried under the jungle at Cu Chi.

This full-day private tour from Ho Chi Minh City covers two destinations that could not be more different from each other — and together they give a more complete picture of Vietnam than either one does alone. The morning goes to Tay Ninh Province, 95 kilometres northwest of Ho Chi Minh City, to visit the Tay Ninh Holy See: the central temple of Caođài­sm, a Vietnamese religious movement founded in 1926 that synthesises elements of Buddhism, Taoism, Confucianism, Christianity, and Islam into a single cosmology. The building that houses the Great Holy See is one of the most visually extravagant structures in Southeast Asia — a baroque-meets-Buddhist facade covered in pastel dragons, lotus motifs, and the All-Seeing Divine Eye. The noon ceremony, held four times daily, brings several hundred white-robed followers into the main hall for a service that is part liturgy, part collective meditation, and entirely unlike anything else in Vietnam.

After lunch at a local restaurant in Tay Ninh, the tour continues southeast to the Cu Chi Tunnels at Ben Duoc — the larger and less-crowded of the two public access sections of the wartime network. The afternoon is spent underground and in the jungle: watching the documentary, following the guide through the tunnel entrance demonstrations and booby trap displays, crawling an optional section of the original (widened) tunnel system, and finishing with a tasting of cassava and hot tea. The vehicle returns to Ho Chi Minh City in the early evening.

The private format means the vehicle, guide, and schedule are exclusively for your group. The pace at each site — how long to stay at the ceremony, how many times to walk the tunnel path, whether to do the shooting range — is entirely up to the group.

Why TNK Travel for this tour

– The noon ceremony is the centrepiece: the Caođài Temple receives visitors throughout the day, but the noon ceremony (12:00 PM sharp) is the reason to be there. TNK’s departure time from Ho Chi Minh City is set to arrive at the temple in time to observe the full ceremony from the upper gallery before it ends. On a private tour, the guide adjusts pace to ensure the group does not miss it.

– Ben Duoc — the quieter tunnel section: Ben Duoc is further from Ho Chi Minh City than Ben Dinh and receives fewer visitors. The experience at the site is less crowded, the jungle paths are wider, and the guide has more room to explain each section without competing with adjacent groups.

– Private vehicle and guide throughout: no shared van, no combined group at either site. The guide accompanies your group from hotel pickup to drop-off and adjusts the programme based on the group’s interests and pace.

– Trusted operator since 2000: TNK Travel is ranked #3 on TripAdvisor with over 24,000 verified reviews.

Tour highlights

– Cao Dai Great Holy See — the most colourful temple in Vietnam: built in 1926, the central temple of Caođài­sm is a baroque-Buddhist-dragon extravaganza in pink, yellow, and blue. No photograph fully prepares a first-time visitor for the interior.

– The noon ceremony — hundreds of followers in white and coloured robes: four times daily, Caođài followers fill the main hall for a collective ceremony. The noon service is the largest and most accessible for visitors. Observers watch from the upper gallery.

– Cao Dai religion explained — Vietnam’s own faith: founded in Tay Ninh in 1926, Caođài­sm claims over four million followers in Vietnam. The guide explains the theology, the symbolism, and the historical context that shaped this distinctly Vietnamese spiritual movement.

– Cu Chi Tunnels — the wartime underground network: 200+ kilometres of hand-dug tunnels sheltering fighters, medics, and civilians through decades of conflict. The site visit covers tunnel entrances, booby trap displays, bomb craters, and the optional crawl section.

– Optional tunnel crawl: a widened 100-metre section of the original tunnel system. Narrow, dark, warm, and optional. The guide provides full context for guests who prefer to observe from above.

– Cassava tasting — the wartime staple: the tour ends with cassava and hot tea, the actual diet of the people who lived underground. Simple, honest, and more memorable than it sounds.

Important information

Meeting point & departure

– Hotel pickup in Ho Chi Minh City, District 1 and District 3. Pickup between 7:30 and 8:00 AM — exact time confirmed by WhatsApp or email 24 hours before departure.

– Please wait in your hotel lobby. The guide will collect you directly. For hotels outside the standard pickup zone, the meeting point is TNK Travel, 112 Trần Hưng Đạo Street, District 1 — 7:45 AM.

– The Tay Ninh Holy See is approximately 95 kilometres from Ho Chi Minh City (around 2 hours by road). Cu Chi is approximately 70 kilometres from Ho Chi Minh City (around 1.5 hours from Tay Ninh). Return to Ho Chi Minh City: approximately 6:00–7:00 PM.

The Cao Dai noon ceremony — visitor guidelines

– The ceremony begins at 12:00 PM precisely and runs for approximately 45 minutes. Visitors observe from the upper gallery balcony that runs along both sides of the nave — you are above the ceremony, not inside it.

– Silence is required during the ceremony. Photography from the gallery is permitted without flash.

– Modest dress is required to enter the temple grounds: shoulders and knees covered. Shoes are removed before entering the main building. The guide will advise at the entrance.

– Do not descend to the main hall floor during the ceremony — this space is for followers only.

Cu Chi Tunnels — physical requirements

– The tunnel crawl is optional. Guests with claustrophobia, back problems, or limited mobility can observe from the exit and receive the full guide explanation above ground.

– The site involves walking 1.5–2 kilometres on jungle paths with uneven ground and tree roots. Closed-toe shoes are strongly recommended — sandals are not suitable.

– Not recommended for guests with serious mobility limitations, severe claustrophobia, or recent back or joint injuries. Pregnant guests should consult their doctor before booking.

What to wear and bring

– Cao Dai Temple: modest clothing — shoulders and knees covered. A sarong or light scarf can be tied around the waist if needed. The guide can advise.

– Cu Chi Tunnels: closed-toe shoes with grip for jungle paths. Long trousers are practical (insects, undergrowth). Light, breathable fabrics for the heat.

– Both sites: hat and sunscreen for outdoor sections, insect repellent, a camera, and Vietnamese dong or USD for optional shooting range at Cu Chi and any personal purchases.

Weather

– The tour operates year-round. Both sites involve significant outdoor time — a light rain jacket is useful in the wet season (May–October).

– The Cu Chi tunnel sections are underground and unaffected by surface weather. The Caođài Temple ceremony takes place indoors.

– If TNK Travel cancels due to severe weather, guests receive a full refund or the option to reschedule.

Related tours

– Cu Chi Tunnels half day tour (CC): small group morning or afternoon tour — Cu Chi only, 6 hours from Ho Chi Minh City

– Ho Chi Minh City & Cu Chi Tunnels full day (PGT-CTCC): Saigon city highlights in the morning (Reunification Palace, Notre Dame Cathedral, War Remnants Museum) + Cu Chi in the afternoon

– Ba Den Mountain day tour (TN-BD): private full-day tour to the highest peak in Southern Vietnam — Guinness-record cable car, Ba Den Pagoda, buffet lunch

– Cu Chi Tunnels & Mekong Delta full day (CMK): Cu Chi in the morning + Mekong Delta river cruise and sampan in the afternoon

– Mekong Delta day tour — My Tho & Ben Tre (MK1): full-day group tour from Ho Chi