Serene by Yen
Serene by Yen is a community development-oriented, LGBTQ+ and eco-friendly startup ♻️ We provide environmentally sustainable and plastic-free tours throughout Ha Giang - Cao Bang - Ha Long.
Special offers for you
Exclusive discounts — only with your Tourist card
Group Discount: Save 15%
Book a tour for a group of 4 or more and receive a 15% discount on the total price.
Weekday Tour Savings
Book a tour on weekdays and get a 5% discount. Explore in comfort and save.
10% Off Eco-Friendly Tours
Enjoy a 10% discount on all eco-friendly tours when booked through Tourist.com.
Exclusive Premium Eco Explorer
Premium subscribers save 20% on our sustainable tours. Dive deeper into the beauty of Ha Giang, Cao Bang, and Ha Long.
Eco-Friendly Adventure Saver
Enjoy 5% off on all plastic-free tours exploring Ha Giang, Cao Bang, and Ha Long with Serene by Yen.
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Serene by Yen
On Tourist since 2026