Mosfellsbær is a town in south-west Iceland, 12 kilometres east of the country's capital, Reykjavík.
The town of Mosfellsbær is a 15-minute drive from midtown Reykjavík. The district includes the Leiruvogur cove, which forms part of Kollafjörður fjord. Three rivers empty into the cove: Leirvogsá, Kaldakvísl and Varmá.
Mosfellsbær provides numerous opportunities for outdoor and leisure activities. There has been a systematic development of outdoor recreational areas for residents, their guests and tourists.
Wikipedia https://en.wikipedia.org/wiki/Mosfellsbær
Coordinates 64°10'2.259" N -21°41'49.406" E