堡垒建于山丘上，几里格之外就能看见。其朝北向与西向崩塌严重，经过修理重建，白灰的石头建在原本黑重的磐石基础之上。重建时还添置了角楼，另两端久经风雨早已失去形状的奇异雕像依旧矗立在角落上。屋顶是松木平顶，虽然因为风雨早已歪曲不平，四处漏雨。been lost long ago stood on the the other two corners. Its pinewood roof is flat, though warped and leaky from time.
A single path leads to tower, which can only be ridden single file. A daub-and-wattle stable sits at the base of the tower.<ref>[[The Sworn Sword]], p.18</ref> Standfast has one entrance, an oak and iron door.<ref>[[The Sworn Sword]], p.19</ref>The Standfast's size is deceptive. While it is only four stories tall above ground, underground there is a complex of deep vaults and cellars cut into the hill that it sat upon. The upper two have windows and balconies, the lower two, only arrow slits.<ref>[[The Sworn Sword]], p.20</ref> It has its own well.<ref>[[The Sworn Sword]], p.83</ref>