This ash tree of exceptional age and appearance grows in the territory of Buivydai mound. The height of this tree is 20 m with a trunk girth of 3.80 m. A special feature of this ash tree is an integral shield of tree roots formed at the bottom side of the slope covering the area of 8 m². The Ash of Buivydai is is a protected natural landscape object of the Anykščiai District Municipality.