Tour Operators

Asia Outdoors. Based on Cat Ba Island, this adventure company, formerly known as Slo Pony, specializes in rock climbing, kayaking, and hiking tours. Everything is included, from transportation to meals, while out for the day. All of their guides are certified in first aid and follow Western standards. Prices start at 600,000d for a full day of kayaking. For rock climbing, their deep-water solo trip combines climbing and cliff jumping, and costs around 850,000d. 229 St. 1–4, Cat Ba Island, Quang Ninh. 0225/368–8450; www.asiaoutdoors.com.vn.

Blue Swimmer Sailing. Sailing, biking, and kayaking tours are available through this Cat Ba–based tour operator. It also offers overnight eco-junks that are geared more toward budget-conscious travelers. Ben Beo Pier, Cat Ba Island, Quang Ninh. 0225/368–8237; www.blueswimmersailing.com. Full day activities: kayaking from 990,000d.