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The GeoTriad refers to a specific set of three geocache sites within the Pacific Northwest. Two are located in and around Seattle, WA, while one is located just outside of Portland, OR.

Description[]

Attempting to complete the GeoTriad is a popular goal of geocachers traveling to the Seattle/Portland area. The three geocaches would be considered part of Geocaching history by many. They include:

There is a Challenge Cache dedicated to completing all three GeoTriad caches[1]

References[]

GCHQ logo

Plaque to commemorate original stash.

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