Explore the Map
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
More Sites in United States
Black Mountain (Pima County, Arizona)
Hohokam fortification on a lava-capped mesa, Arizona
Schwerdt site
Late Woodland seasonal encampment, 15th century Michigan
Griesmer site
The Griesmer site (La-3) is located on the Kankakee River in Lake County, Indiana, about a mile southeast of Schneider, in Northwestern Indiana.
Lake Ridge Island Mounds
Hopewell earthen mounds in Ohio, United States
Puʻuhonua o Hōnaunau National Historical Park
Puʻuhonua o Hōnaunau National Historical Park is a United States National Historical Park located on the west coast of the island of Hawaiʻi in the U.S.
Crystal River Archaeological State Park
Crystal River State Archaeological Site is a 61-acre (250,000 m2) Florida State Park located on the Crystal River and within the Crystal River Preserve State Park.