 It was examined by Haakon Shetelig in 1902, and contained an approximately long boat with remains of a man’s grave from the 10th century.Dendrochronological studies carried out in 2009 show that the ships from Oseberg, Grønhaug, and Storhaug along with the boat found at Storhaug were all built from oak from the same area of Southwest Norway.Flagghaugen (Flag Hill), from the Old Norse word "haugr" meaning hill or mound, is situated just north of the church.