Mckenny and Lost Valley Loop

Starting near Thurston County, Washington, the Mckenny and Lost Valley Loop is a captivating 14 km (approximately 8.7 miles) trail with an elevation gain of around 500 meters (1,640 feet). This loop trail is rated as medium difficulty, making it suitable for moderately experienced hikers.

Getting There

To reach the trailhead, you can drive or use public transportation. If driving, head towards the nearest significant landmark, which is the Mima Mounds Natural Area Preserve. From there, follow the signs to the trailhead. For those using public transport, the nearest bus stop is in Olympia, Washington. From Olympia, you can take a taxi or rideshare service to the Mima Mounds Natural Area Preserve.

Trail Overview

The trail begins with a gentle ascent through dense forest, offering a serene start to your hike. As you progress, the trail becomes steeper, leading you to the first significant landmark, the Mima Falls. This picturesque waterfall is located approximately 3 km (1.9 miles) from the trailhead and is a perfect spot for a short break.

Flora and Fauna

The trail is rich in biodiversity. You'll encounter a variety of trees, including Douglas fir, western red cedar, and bigleaf maple. The underbrush is teeming with ferns, salal, and Oregon grape. Wildlife is abundant; keep an eye out for black-tailed deer, raccoons, and a variety of bird species such as the pileated woodpecker and the northern flicker.

Historical Significance

The region has a rich history, particularly related to the indigenous tribes who once inhabited the area. The Mima Mounds, located near the trailhead, are a series of mysterious, naturally occurring mounds that have puzzled scientists for years. These mounds are believed to have been formed thousands of years ago, and their origin remains a topic of debate.

Navigation and Waypoints

Using HiiKER for navigation is highly recommended. The trail is well-marked, but having a reliable navigation tool can help you stay on track, especially in the denser forest sections. Key waypoints include:

• Mima Falls (3 km / 1.9 miles from the trailhead): A scenic waterfall and a great spot for a break.
• Lost Valley (7 km / 4.3 miles from the trailhead): A beautiful, secluded valley that offers a peaceful respite.
• Mckenny Trail Junction (10 km / 6.2 miles from the trailhead): The point where the trail loops back towards the starting point.

Elevation Profile

The trail's elevation gain is gradual but steady. The initial 3 km (1.9 miles) to Mima Falls involves a moderate climb of about 150 meters (492 feet). The ascent continues more steeply towards Lost Valley, adding another 200 meters (656 feet) of elevation gain over the next 4 km (2.5 miles). The final stretch back to the trailhead is a gentle descent, making for a pleasant end to the hike.

Preparation Tips

Given the trail's medium difficulty, it's advisable to wear sturdy hiking boots and bring trekking poles for added stability. Carry sufficient water and snacks, as there are no facilities along the trail. Weather can be unpredictable, so pack a rain jacket and layers to adjust to changing conditions.

This trail offers a blend of natural beauty, historical intrigue, and moderate physical challenge, making it a rewarding experience for those who venture into the heart of Washington's wilderness.