the.com/old faithful
Geyser that keeps every promise, which is more than you can say for most people.
means A person or thing so reliably predictable and dependable that you can set your watch — or your trust — by it.
from Borrowed directly from the famous geyser in Yellowstone National Park, named in 1870 by an early exploring expedition because of its startlingly regular eruptions — reliable enough to time a picnic around. The geyser's name migrated into everyday English as a nickname for anything or anyone that performs with the same stubborn, comforting regularity, from an old car to a loyal friend.
- eruption interval
- roughly 44 to 125 minutes, not clockwork but close
- height
- shoots water 106 to 185 feet high
- name origin
- named in 1870 for sheer predictability, not size
- water source
- rain and snow from centuries ago, recycled underground