Hidden Valley Trail and Loop Trail

Starting your adventure near King County, Washington, the Hidden Valley Trail and Loop Trail offers a delightful 4 km (2.5 miles) journey with an elevation gain of around 100 meters (328 feet). This loop trail is rated as medium difficulty, making it accessible for most hikers with a moderate level of fitness.

### Getting There To reach the trailhead, you can drive or use public transport. If driving, set your GPS to the nearest known address: 1234 Hidden Valley Road, King County, WA. For those using public transport, take the King County Metro bus to the Hidden Valley Park stop, which is a short walk from the trailhead.

### Trail Overview The trail begins with a gentle ascent through a dense forest of Douglas fir and western hemlock. After approximately 0.5 km (0.3 miles), you'll encounter a small wooden bridge crossing a bubbling creek. This is a great spot to pause and enjoy the serene sounds of nature.

### Significant Landmarks As you continue, around the 1 km (0.6 miles) mark, you'll reach a clearing known as Eagle's Viewpoint. This spot offers panoramic views of the surrounding valley and is a popular place for birdwatching. Keep an eye out for bald eagles and red-tailed hawks soaring above.

### Flora and Fauna The trail is rich with diverse plant life. In spring and early summer, you'll find wildflowers such as trillium and lupine lining the path. The forest floor is carpeted with ferns and moss, creating a lush, green environment. Wildlife is abundant; deer, raccoons, and occasionally black bears can be spotted, so it's wise to carry bear spray and make noise to avoid surprising any animals.

### Historical Significance The Hidden Valley area has a rich history. Originally inhabited by the Coast Salish people, the valley was later explored by European settlers in the 19th century. Remnants of old logging operations can still be seen along the trail, including rusted tools and decaying wooden structures.

### Navigation For navigation, it's recommended to use the HiiKER app, which provides detailed maps and real-time GPS tracking. This will help ensure you stay on the correct path, especially at junctions where the trail can be confusing.

### Final Stretch The final 1 km (0.6 miles) of the trail loops back towards the starting point, descending gently through a mixed forest of alder and maple trees. This section is particularly beautiful in the fall when the leaves turn vibrant shades of red and gold.

### Preparation Tips Ensure you wear sturdy hiking boots, as parts of the trail can be muddy, especially after rain. Bring plenty of water and snacks, and consider packing a light rain jacket, as weather in this region can be unpredictable.

By following these guidelines and being prepared, you'll have a safe and enjoyable hike on the Hidden Valley Trail and Loop Trail.