Overview
StoneTower3 is a Valheim world location that spawns in the plains biome, identified internally as StoneTower3. World generation places up to 50 per world and an exclusion radius of 14m, which is why some seeds have far more of them than others. The data tags it as randomly damaged.
About
StoneTower3 is a tall ruined stone tower variant in the Plains. Fulings often patrol the upper levels and chests inside yield Plains-tier loot.