Littlerock, Washington: Mysterious Mima Mounds

RoadsideAmerica.com Team Field Report

Mima Mounds Natural Area Preserve

Address:
12315 Waddell Creek Rd SW, Littlerock, WA
Directions:
Mima Mounds Natural Area Preserve. I-5 exit 95. Maytown Rd. SW west through Littlerock. After 3.8 miles, turn right on Waddell Creek Rd SW. Continue 1 mile to Mima Mounds Natural Area Preserve.
Hours:
Summer 8:30-8:30, Winter 8:30-5:30. Gated after hours. (Call to verify) Local health policies may affect hours and access.
Phone:
360-902-1434
Admission:
Parking self-pay station.
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Mysterious Mima Mounds

Hyperactive gophers are one theoretical culprit for the unusual tiny hillocks in this state park. That and other possibilities are explained in interpretive signs at the self-service Preserve visitor area.

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Visitor Tips and News About Mysterious Mima Mounds

Reports and tips from RoadsideAmerica.com visitors and Roadside America mobile tipsters. Some tips may not be verified. Submit your own tip.

Mima Mounds.

Mysterious Mima Mounds

Such a strange little natural phenomenon! Hard to believe they still don't really know how the mounds were formed.

[Melissa, 01/14/2017]

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