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When cycle touring across the United States
we learned that no rivers or streams run in to -- or out of --
Crater Lake. Its only source of water are precipitation and melt
water. The lake, encompassing an area of about 20 square miles,
occupies the crater of a prehistoric volcano: Mt. Mazama. Geologists
estimate Mt Mazama erupted violently around 7000 years ago. The
blast decimated much of the mountain's original 12,000 foot height.
Crater Lake is the second deepest lake in
the western hemisphere (it boasts a depth of nearly two-thousand
feet!). Crater Lake's astoounding depth accounts for the near-mystical
intense blue-black hue of its water.
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