Activities in & around Hafnarfjörður – quick-scan list(organised so you can jump straight to what you feel like doing)

              1.          Town-centre strolls• Walk the old harbour boardwalk and watch trawlers unload.• Pop into the Settlement Centre exhibition on Vikings & elves.• Pop-up craft market every first Saturday in Strandgata.

              2.          Elf & Viking lore• Guided “Hidden Worlds” elf-walk (daily, 90 min).• Viking Village restaurant & weekend feast with saga re-enactments.• Annual Viking Festival (mid-June) – axe-throw, market stalls, long-ship sailing.

              3.          Nature & easy hikes• Hellisgerði lava park – 15-min loop among moss-covered craters.• Hamarinn hill – 30-min climb for panoramic harbour views.• Lake Hvaleyrarvatn – 45-min flat walk, bird-watching hide.

              4.          Longer trails & biking• Reykjanesfólkvangur trails – 8–25 km marked routes across moss-lava fields.• Mountain-bike single-track on Keilir volcano (20 min drive).• Gravel-bike loop: Hafnarfjörður → Krýsuvík geothermal area → Blue Lagoon (70 km round).

              5.          Geothermal & sea baths• Reykjadalur hot-spring river (40-min drive) – 3 km hike to natural pools.• Sea-swimming at Álftanes beach + nearby hot-pots.• Local option: book the small seaside hot-tubs at Sólgarðar wellness centre.

              6.          Water & winter sports• Kayak or SUP from the marina – guided 2-hour puffin & seal safari.• Whale-watching boats run daily April-September (pick-up at the harbour).• Skiing: Bláfjöll alpine resort 25 min away; lit cross-country tracks in Vífilsstaðir.

              7.          Art & culture• Hafnarborg Art Museum – rotating Icelandic & Nordic shows.• Bæjarleikhúsið town theatre – year-round plays, often in English in summer.• Street-art hunt: 30+ murals, downloadable map at the tourist info.

              8.          Food & drink• Bryggjan Brewery – 10 taps of small-batch beer & harbour-view deck.• Fish-and-chips straight off the boat at “Tilveran”.• Sweet stop: Geirabakari for the award-winning “lava doughnut”.

              9.          Family fun• Hafnarfjörður swimming pool – two 25-m lanes, kids’ slides, hot-pots.• Lava-tube caving at Leiðarendi (guides provide helmets).• Petting zoo & horse-riding at Fjölskyldugarðurinn family park.

              10.        Day-trip add-ons (within 30 min)• Blue Lagoon geothermal spa.• Krýsuvík geothermal fields & Seltún boardwalk.• Bridge between continents – walk across the Eurasian–North-American rift.

Tip: most activities can be booked on the spot in summer, but whale-watching, caving and the Viking feast sell out – reserve a day ahead.