Each day, different activity.

Guided northern-lights chase across the dark season, often by electric snowmobile. 3 hours, October to March. Sightings depend on solar activity and a clear sky.

Hike onto a glacier and descend into a natural meltwater cave carved by summer runoff. November to April, when the ice is frozen solid and safe to enter.

Drive your own dog team through Bolterdalen valley. 4 to 6 hours, October to May, with the most reliable snow from March to May. You steer; the guide leads the way.

Full-day snowmobile expeditions toward the east coast or Barentsburg. Up to 10 hours, November to May. Long distances over frozen valleys and sea ice with an armed guide.

Guided walks over open tundra, ridges and moraine, up to 10 hours. Green ground under the midnight sun in summer, snow in spring. An armed guide leads every route outside town.

Small-group trips led by a photographer-guide, timed to the best light, up to 5 hours. Camera-settings help included. Subjects shift from winter aurora and snow to summer wildlife and midnight sun.

Walrus haul-outs, bird cliffs, and glacier fronts by catamaran or RIB. Up to 7 hours, May to October, during the open-water and midnight-sun season.

Off-road quad-bike tour along Adventdalen valley over open tundra. About 4 hours, June to September, on the gravel and braided riverbeds left by the summer thaw.

Guided walks over open tundra, ridges and moraine, up to 10 hours. Green ground under the midnight sun in summer, snow in spring. An armed guide leads every route outside town.

Small-group trips led by a photographer-guide, timed to the best light, up to 5 hours. Camera-settings help included. Subjects shift from winter aurora and snow to summer wildlife and midnight sun.