Mima Mounds Natural Area Preserve Loop

Nestled near Thurston County, Washington, the Mima Mounds Natural Area Preserve Loop offers a unique hiking experience over a distance of approximately 4 kilometers (2.5 miles) with virtually no elevation gain, making it accessible for a wide range of hikers. The trailhead is conveniently located near the Mima Mounds Natural Area Preserve, which is easily accessible by car. For those relying on public transport, the nearest significant landmark is the city of Olympia, from where you can take a taxi or rideshare service to the preserve.

Getting There

If driving, head towards the Mima Mounds Natural Area Preserve, located off Waddell Creek Road SW. Ample parking is available at the trailhead. From Olympia, it's a short 30-minute drive southwest. Public transport options are limited, so plan accordingly if you don't have access to a car.

Trail Overview

The loop trail is well-marked and maintained, making navigation straightforward. For those who prefer digital navigation tools, HiiKER provides an excellent resource for real-time trail maps and updates. The trail is rated as medium difficulty, primarily due to its length rather than any challenging terrain, as the elevation gain is negligible.

Natural Features and Wildlife

The Mima Mounds are a geological mystery, with their origins still debated among scientists. As you hike, you'll traverse these peculiar, evenly spaced mounds that stretch across the landscape. The area is a mix of prairie and forest, offering a diverse range of flora and fauna. In spring and early summer, wildflowers such as camas lilies and lupines bloom, adding vibrant colors to the scenery.

Birdwatchers will find the area particularly rewarding, with species like the Western Meadowlark and Northern Harrier frequently spotted. Keep an eye out for deer and other small mammals that inhabit the area.

Historical Significance

The Mima Mounds have intrigued scientists and visitors alike for centuries. Various theories about their formation include glacial activity, seismic events, and even ancient human activity. Interpretive signs along the trail provide insights into these theories, making the hike both a physical and intellectual journey.

Points of Interest

Approximately halfway through the loop, you'll come across an observation deck that offers panoramic views of the mounds and surrounding landscape. This is an excellent spot for a break and some photography. Informative plaques here delve deeper into the natural history and significance of the mounds.

Trail Conditions and Safety

The trail is mostly flat and composed of compacted soil, making it suitable for all types of footwear. However, after heavy rains, sections can become muddy, so waterproof boots are advisable during the wetter months. There are no significant hazards, but always stay on the marked paths to protect the delicate ecosystem and avoid any potential risks.

Amenities

Restrooms are available at the trailhead, but there are no water sources along the trail, so bring sufficient water for the hike. Picnic tables near the parking area provide a nice spot for a post-hike meal.

Final Tips

Given the open nature of the prairie sections, sun protection is essential, especially during the summer months. A hat, sunscreen, and sunglasses will help keep you comfortable. The trail is also popular with families and educational groups, so expect some company, especially on weekends.

Whether you're a seasoned hiker or a curious explorer, the Mima Mounds Natural Area Preserve Loop offers a fascinating and accessible adventure into one of Washington's most intriguing natural landscapes.