Published group fares vary by vehicle and party size: for 1–4 people, USD 49 per person by shuttle bus, USD 55 by limousine and USD 65 by D-car. Larger group bands are listed at USD 47–64 per person. The page lists transport, itinerary admission fees, an English-speaking guide, lunch, mineral water and bicycle use as included; drinks, personal expenses and travel insurance are excluded. Confirm the current price, pickup point, child rate and availability at booking.
Operator office: 39B Hang Hanh Street, Hoan Kiem, Hanoi, Vietnam. Phone/WhatsApp/Viber/Zalo: +84 982 837 668; +84 243 938 5666. Tour details and booking: https://www.ninhbinhtravel.com.vn/hoa-lu-tam-coc-mua-cave-ninh-binh-tour-1-day.html