Bláfjöll (Icelandic pronunciation: [ˈplauːˌfjœtl̥], "blue mountains") are a small mountain range in the southwest of Iceland on Reykjanes peninsula at about 30 km from Reykjavík.
They form sort of a double mountain massif to the west and in the east of Jósepsdalur[1] on Hellisheiði.
The western part includes Vífilsfell as well as Bláfjallahorn [ˈplauːˌfjatlaˌhɔ(r)tn̥], the eastern one reaches from Sauðadalahnúkur [ˈsœyːðaˌtaːlaˌn̥uːkʏr̥] to Kerlingarhnúkur [ˈcʰɛ(r)tliŋkarˌn̥uːkʏr̥].
[1] The Bláfjöll are Pleistocene subglacial volcanoes and part of the Brennisteinsfjöll volcanic system.
[5] Two huts with accommodation and restaurant provide service for the guests.