Sulfur is found near volcanic areas in ARK: Survival Ascended. It's used for crafting Flamethrower ammo, Propellant, and Clay.
Node yields assume the base harvest HP from game data (e.g. 1000 for Redwood trees, 620 for Metal nodes). In-game, trees and rocks with bAllowHarvestHealthScalinghave per-instance HP that varies with the node's size, so actual yields per node will vary. The values shown represent the average.
10,508 harvestable nodes across 21 maps · 6 node types

Sulfur 2

Sulfur 1

Sulfur 3 LP

EXT Rock Sulfur SML C

EXT Rock Sulfur SML A

EXT Rock Sulfur SML B
The Ankylosaurus is the best Sulfur farmer with a 2.25x gather multiplier from game data. The Phoenix is the runner-up with 2.25x.