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Skystone
47.1538° N, -122.1947° E
About
The Skystone is an andesite glacial erratic boulder in Bonney Lake, Washington. The boulder was deposited approximately 13,000 years ago. The stone's height and width are 4.5 by 12 feet (1.4 m × 3.7 m).
Historical Timeline
Journey through time and discover key events in this site's history
Boulder deposited
c. 13,000 years ago
Modern rediscovery
1999
Archaeological Features
Unique architectural and cultural elements found at this historical site
Environmental and Natural Features
Astronomical and Timekeeping Structures
Frequently Asked Questions
Plan Your Visit
Tours, travel arrangements, and practical information
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