Horseback Riding -- Gauksmýri (tel. 451-2927; www.gauksmyri.is), about 50km (31 miles) west of Blönduós, is a reputable horse farm that offers short tours of the Húnaflói area. Rides start at 2,500kr ($40/£20) for 1 hour and can include introductory lessons. Gauksmýri is also an eco-minded guesthouse and restaurant.
Arinbjörn Jóhannson at Brekkulækur Farm (tel. 451-2938; www.geysir.com/brekkulaekur) has been organizing epic 3- to 15-day riding adventures for three decades. Tour itineraries, outlined on the website, usually include highlands, coastal regions, and some mingling with locals.