Gråkallbreen is a glacier in Sørkapp Land at Spitsbergen, Svalbard. It has a length of about 800 meters, and is located north of the mountain Gråkallen and in the upper part of Slaklidalen.[1] Slaklielva originates from Gråkallbreen and flows through Slaklidalen and across Breinesflya towards the sea.[2]