Start at Logging Camp Wayshrine and go southwest. When you reach the main road, you’ll see a small one going further south. It will lead you to a small farm. The skyshard is south of the eastern building, as you pass a pumpkin field, behind a big stone, next to two trees.
Southern Eastmarch, southwest of Logging Camp Wayshrine, southeast of the Old Sord’s Cave public dungeon.