Kvernhøi is a mountain in Øystre Slidre Municipality in Innlandet county, Norway. The 1686 m tall mountain is located about 14 km northeast of the village of Beitostølen. The mountain is surrounded by several other notable mountains including Heimdalshøe to the north, Gråhøi to the northeast, Bitihorn to the southwest, and Raslet to the west. The lake Vinstre lies to the south. The mountain sits on the eastern edge of the Valdresflye plateau.