Hidden Gem

Mima Mounds Natural Area Preserve

Mima Mounds Natural Area Preserve, located in Washington, features a unique landscape of mysterious, dome-shaped mounds surrounded by prairie and forest. Visitors can explore interpretive trails that wind through the preserve, offering opportunities to observe native plants, wildlife, and the intriguing geological formations. The area is ideal for nature walks, birdwatching, and learning about the region’s natural history.

Mima Mounds Natural Area Preserve

About the Attraction

A visit to Mima Mounds Natural Area Preserve in Washington offers a fascinating encounter with one of nature’s enduring mysteries. Here’s what to expect:

  • Unique Geological Formations: The preserve is renowned for its mysterious, dome-shaped mounds—known as Mima mounds—scattered across 756 acres of prairie, oak woodland, and savanna. Their origin remains a subject of scientific intrigue, adding an element of wonder to your visit.
  • Scenic Trails: Enjoy accessible paved paths and rugged trails that wind through wildflower-filled grasslands, offering opportunities for hiking, birdwatching, and photography.
  • Rare Ecosystems: The area protects native prairie habitats and supports diverse plant and animal species, including seasonal wildflowers and butterflies.
  • National Recognition: Designated a National Natural Landmark in 1966, the preserve highlights the importance of conserving unique landscapes in the Pacific Northwest.

It’s an ideal destination for nature lovers, hikers, and anyone curious about the natural world’s unsolved puzzles.

Interactive Map

Audio Guide

Make the most of your visit. Listen to the Audio Guide for insider tips, fascinating facts, and stories that enrich your journey.

Hiking Adventure Map

Schedule

Open daily from 8:00 AM to 4:00 PM.

Entrance Fee

$11.50
General Admission: Discover Pass required: $11.50/day or $35/annual per vehicle; Children: Free. Admission prices are fixed. No donation or free‑day model beyond standard Discover Pass free days (e.g., select holidays). Advance ticket reservations are not required.
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