Hótel Sóley, Skíðarbraut 18 (tel. 466-3395; www.hotel-soley.com), is the best town agent for bike rental, guided hiking tours on Tröllaskagi Peninsula (including the fabulous 2- to 3-day route from Dalvík west to Hólar), sea kayaking, and horseback riding in the lovely Svarfaðardalur Valley south of town.
Most vacationers in north Iceland save their whale-watching for Húsavík, which has better infrastructure -- more scheduled departures, harborside coffee houses, the whale museum -- but only a marginal advantage in whale sightings. Sea Tours (Sjóferðir) (tel. 863-2555; www.hvalaskodun.is), based in Dalvík, leads 3-hour whale-watching tours (3,900kr/$62/£31 adults, 1,950kr/$31/£16 children 8-12; June 16-July daily 9am, 1:30pm, 8pm; Aug 1-Aug 20 9am, 1:30pm; Apr-June 15 and Aug 21-Sept 9am), and sea-angling trips by arrangement. Whale Watching Eyjafjörður (tel. 867-0000; www.niels.is), based in Hauganes, 30km (19 miles)north of Akureyri and 14km (8 3/4 miles) south of Dalvík, has comparable services.
Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.