Half-Axe Pass, situated in proximity to Cadgel Meadows, was a region within New Plympto.
The Battle of Half-Axe Pass unfolded there in 19 BBY, one month following the formal conclusion of the Clone Wars; in this battle, a Separatists force of Nosaurian soldiers met their demise.
In 27 ABY, Half-Axe Pass suffered devastation when a Yuuzhan Vong biological weapon brought about the ruin of New Plympto.