Old Airfield Trail and Cypress Mainline Trail

Starting near Skagit County, Washington, the Old Airfield Trail and Cypress Mainline Trail offer a moderately challenging hike with a total distance of around 5 km (approximately 3.1 miles) and an elevation gain of about 300 meters (984 feet). This out-and-back trail is perfect for those looking to immerse themselves in the natural beauty and historical significance of the area.

### Getting There To reach the trailhead, you can drive or use public transportation. If driving, head towards Skagit County and look for the nearest known address or significant landmark, which is the Skagit Valley Provincial Park. For those relying on public transport, the nearest bus stop is at the Skagit Valley Provincial Park entrance. From there, it's a short walk to the trailhead.

### Trail Overview The trail begins with a gentle ascent through a dense forest of Douglas fir and western red cedar. The initial 1 km (0.6 miles) is relatively easy, with a gradual elevation gain of about 50 meters (164 feet). As you continue, the trail becomes steeper, gaining another 100 meters (328 feet) over the next 1.5 km (0.9 miles).

### Historical Significance One of the highlights of this trail is its historical significance. The Old Airfield Trail takes you past remnants of an old airfield used during World War II. This airfield was a crucial part of the region's defense strategy and served as a training ground for pilots. Keep an eye out for old concrete runways and other relics from this era.

### Nature and Wildlife As you hike, you'll be surrounded by lush greenery and a variety of wildlife. The area is home to black-tailed deer, black bears, and numerous bird species, including bald eagles and woodpeckers. The trail also features several small streams and wetlands, which are perfect spots for observing amphibians like frogs and salamanders.

### Significant Landmarks At approximately 2.5 km (1.55 miles) into the hike, you'll reach a viewpoint that offers stunning vistas of the surrounding mountains and valleys. This is a great spot to take a break and enjoy the scenery. The elevation gain to this point is around 200 meters (656 feet).

Continuing on, the trail merges with the Cypress Mainline Trail. This section is less steep but still offers a moderate challenge, with an additional elevation gain of about 100 meters (328 feet) over the next 1 km (0.6 miles). The trail ends at a picturesque meadow, which is an ideal spot for a picnic or simply to relax before heading back.

### Navigation For navigation, it's highly recommended to use HiiKER. The app provides detailed maps and real-time updates, ensuring you stay on track throughout your hike.

### Final Stretch The return journey follows the same path, allowing you to revisit the beautiful landscapes and historical sites. The descent is much easier, giving you a chance to appreciate the trail from a different perspective.

This trail offers a perfect blend of natural beauty, historical intrigue, and moderate physical challenge, making it a must-visit for any hiking enthusiast.