Is This Trip Right for You - To fully enjoy and complete this trip, it is essential that you are both confident and proficient in riding a bicycle. - The itinerary covers significant distances, with cycling routes of up to 45 km on varied terrain. A good level of physical fitness is required. - For those seeking a more relaxed experience, electric bikes are available for hire, allowing you to enjoy the journey with less physical effort. - Highlights include visits to Cat Ba National Park and Trung Trang Cave in Hien Hao commune. - The cycling route features a scenic loop alongside Cat Ba National Park and along the coastal road bordering Lan Ha Bay. - Participate in a guided 'Water Path' forest trek to the picturesque Butterfly Valley. - Explore the local charm of Lien Minh Village and conclude your day with a comfortable return to Cat Ba center via support vehicle, after a full day immersed in nature, history, and culture.