Artesia Geyser is a geyser in the Lower Geyser Basin
of Yellowstone National Park in the United States
. Artesia Geyser is part of the Black Warrior Group which includes Young Hopeful Geyser
, Gray Bulger Geyser
, and Steady Geyser
Artesia is a perpetual geyser that is never stops ejecting water from at least one of its two cones, usually no more than 5 ft (1.5 m). One vent is angeled toward the boardwalk that passes the geyser and the other is angled toward the Firehole River
During a period in 1999, one of the cones jetted to a distance of 12 ft (3.7 m) while the other emitted only steam.