Linked to Mr Linh's Homestay, this helpful, English-speaking office, dealing in everything Ba Be, can arrange kayaking, boating, hiking and cycling trips (or a combo of all four) that work out at around US$45 per day. Kayaks can be hired for US$5 per hour. Specialises in multiday treks (from US$83 for two days) and boat trips in the further reaches of the national park.