Hyaloclastite ridges

thumb|View on Sandskeið airfield and Vífilsfell from the Hringvegur thumb|Quarries at Vífilsfell in 2019 thumb|Winterly road conditions on the Hringvegur near Vífilsfell thumb|Bláfjöll with Vífilsfell to the left, seen from lake [[Rauðavatn in the outskirts of Reykjavík]] Vífilsfell () is a hyaloclastite ridge in southwestern Iceland (Weichselian). It is 655 m high and located west of Jósepsdalur valley on the volcanic plateau of Hellisheiði. It forms the northernmost offset of the Bláfjöll mountain massif and is situated on top of the fissure system of Brennisteinsfjöll.

mountain in Hafnarfjörður Iceland

thumb|Probably produced by a similar type of eruption: Memorial of jökulhlaup over Skeiðarársandur following the [[Grímsvötn-Gjálp eruption in 1996]] thumb|Sveifluháls from Seltún geothermal area thumb|Sveifluháls seen from Grænavatn [[maar]]