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  A-2 Geyser
Feature Type: Geyser
Geyser/Spring Type: Fountain geyser

Lower Geyser Basin
Great Fountain and White Creek Group

Historically A-2's activity interchanged with A-1. When one was active the other was dormant to nearly dormant. Botryoidal Spring has taken over the activity of both A-1 and A-2, which are now considered to be dormant. When active A-2 has intervals of 1-2 hours with 6-8 minute durations about 10 feet high.

What to look for:
Please report any activity to the Old Faithful Visitor Center.

Please note - this site is currently under constuction. Please visit for more information.  Last update 01-29-2017

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