Here’s a comprehensive 15-day itinerary covering Vietnam and Cambodia:

Day 1: Arrival in Hanoi

• Morning: Arrive in Hanoi. Transfer to your hotel and check in.

• Afternoon: Explore the Old Quarter, Hoan Kiem Lake, and Ngoc Son Temple.

• Evening: Enjoy a traditional Vietnamese dinner and watch a water puppet show.

Overnight in Hanoi

Day 2: Hanoi City Tour

• Morning: Visit the Ho Chi Minh Mausoleum, One Pillar Pagoda, and Temple of Literature.

• Afternoon: Explore the Vietnam Museum of Ethnology or Hoa Lo Prison.

• Evening: Free time for shopping or dining in the Old Quarter.

Overnight in Hanoi

Day 3: Hanoi to Sapa

• Morning: Take a bus or train to Sapa (approximately 6-7 hours).

• Afternoon: Arrive in Sapa and check in to your hotel.

• Evening: Explore Sapa town or relax at your hotel.

Overnight in Sapa

Day 4: Sapa Trekking

• Morning: Trek to Lao Chai and Ta Van villages to experience local culture and stunning rice terraces.

• Afternoon: Continue trekking and explore the villages.

• Evening: Return to Sapa town. Enjoy dinner and relax.

Overnight in Sapa

Day 5: Sapa to Homestay

• Morning: Trek to Ta Van Village for a homestay experience.

• 12:00 PM: Check in to your homestay. Enjoy lunch and local activities.

• Afternoon: Explore Ta Van Village and its surroundings.

• Evening: Dinner at the homestay and relax.

Overnight in Ta Van

Day 6: Ta Van to Hanoi – Halong Bay

• Morning: Depart Ta Van and travel back to Hanoi.

• 12:00 PM: Drive from Hanoi to Halong Bay (approximately 3.5 to 4 hours).

• 1:30 PM: Arrive and board your cruise (e.g., Amanda Cruise, Paradise Cruise).

• 2:00 PM: Lunch on the cruise as you set sail.

• Afternoon: Explore Halong Bay by kayaking or visiting a cave (e.g., Sung Sot Cave).

• Evening: Enjoy dinner and evening activities on the cruise.

Overnight on the cruise

Day 7: Halong Bay – Hanoi – Fly to Ho Chi Minh City

• Morning: Enjoy breakfast and a final activity on the cruise.

• 10:00 AM: Disembark and transfer back to Hanoi.

• Afternoon: Fly from Hanoi to Ho Chi Minh City.

• Evening: Arrive in Ho Chi Minh City, transfer to your hotel, and explore Ben Thanh Market or Pham Ngu Lao Street.

Overnight in Ho Chi Minh City

Day 8: Ho Chi Minh City – Cao Dai Temple and Cu Chi Tunnels

• Morning: Take a day trip to the Cao Dai Temple in Tay Ninh.

• Afternoon: Visit the Cu Chi Tunnels and explore the extensive network used during the Vietnam War.

• Evening: Return to Ho Chi Minh City.

Overnight in Ho Chi Minh City

Day 9: Ho Chi Minh City – Mekong Delta

• Morning: Depart for a day trip to the Mekong Delta. Visit a traditional village, take a boat ride on the delta, and experience local life.

• Afternoon: Continue exploring the delta and return to Ho Chi Minh City.

Overnight in Ho Chi Minh City

Day 10: Ho Chi Minh City – Siem Reap

• Morning: Fly from Ho Chi Minh City to Siem Reap, Cambodia.

• Afternoon: Arrive in Siem Reap, transfer to your hotel, and explore the town.

• Evening: Enjoy a traditional Cambodian dinner and explore the night markets.

Overnight in Siem Reap

Day 11: Angkor Wat

• Morning: Visit Angkor Wat, the largest religious monument in the world.

• Afternoon: Explore other temples such as Bayon Temple and Ta Prohm.

• Evening: Free time in Siem Reap.

Overnight in Siem Reap

Day 12: Siem Reap – Floating Villages

• Morning: Visit the Tonle Sap Lake and explore the floating villages.

• Afternoon: Return to Siem Reap and explore any remaining sites or enjoy leisure time.

• Evening: Optional dinner with a traditional Apsara dance performance.

Overnight in Siem Reap

Day 13: Siem Reap – Phnom Penh

• Morning: Fly or take a bus from Siem Reap to Phnom Penh.

• Afternoon: Arrive in Phnom Penh, check in to your hotel, and explore the Royal Palace and Silver Pagoda.

• Evening: Visit the Sisowath Quay area for dinner and riverfront views.

Overnight in Phnom Penh

Day 14: Phnom Penh – Explore

• Morning: Visit the Tuol Sleng Genocide Museum and Killing Fields for a historical perspective.

• Afternoon: Explore local markets or enjoy a boat ride on the Mekong River.

• Evening: Enjoy a final dinner in Phnom Penh.

Overnight in Phnom Penh

Day 15: Departure

• Morning: Free time for last-minute shopping or relaxing in Phnom Penh.

• Afternoon: Transfer to Phnom Penh International Airport for your departure.

Additional Tips:

• Visa: Ensure you have the necessary visas for both Vietnam and Cambodia.

• Weather: Pack for varying weather conditions; it can be hot and humid in both countries.

• Transportation: Book flights and transportation in advance for convenience.

Let me know if you need any more details or adjustments to this itinerary!