Silfrastaðir is a farm and church site at the mouth of the Norðurárdalur valley in Skagafjörður, Iceland.

Previously, the entire Silfrastaðaafréttur mountain range belonged to the property of Silfrastaðir, but it was sold to the county in 1896 along with the smallholdings Hálfdanartunga and Krókárgerði in Norðurárdalur, which were abandoned and have not been rebuilt.

[2] The turf church that was previously in Silfrastaðir, built in 1842, is now part of Árbæjarsafn outdoor museum in Reykjavík.

[3] Within Norðurárdalur valley, a short way from the bridge over the Norðurá river, cape Skeljungshöfði runs towards a sandbank.

The Sturlunga Saga states that Eyjólfur ofsi (“the violent”) Þorsteinsson and his men had stopped at the Skeljungsskáli cabin on their way to the Flugumýri Arson, and it is not unlikely that there had been a farm there then.