Laugavegurinn
– another popular hiking trail from landmannalaugar to þórsmörk, 55 km long, with huts on the way where you can stay overnight. each summer the trail is host to a cross-country marathon called the laugavegur ultra marathon is held on the route. not to be confused with the shopping street of the same name in reykjavík! it is possible is to do hike laugavegurinn and fimmvörðuháls together, as they both lead to þórsmörk.
Fimmvörðuháls
– a popular hiking trail, from skógar to þórsmörk, between mýrdalsjökull and eyjafjallajökull. eyjafjallajökull famously erupted in 2010 sending an ash cloud across europe, but shortly before that eruption fimmvörðuháls itself erupted, causing the trail to be closed for a while. it is now completely safe once more, and with the added attraction of seeing brand new landscapes.
River rafting
Is possible in both hvítá and markarfljót, close to selfoss and hvolsvöllur respectively.
Glacier tours
– traveling with specially equipped trucks onto vatnajökull offers incredible views of the white desert that is europe's largest glacier.