Interurban, Hemlock, Chuckanut Mountain and Lost Lake Loop Trail

Starting near Whatcom County, Washington, the Interurban, Hemlock, Chuckanut Mountain, and Lost Lake Loop Trail offers a diverse and engaging hiking experience. This 12 km (approximately 7.5 miles) loop trail features an elevation gain of around 600 meters (about 1,970 feet), making it a moderately challenging hike suitable for those with some hiking experience.

### Getting There To reach the trailhead, you can drive or use public transportation. If driving, head towards the Chuckanut Drive (State Route 11) and look for the North Chuckanut Mountain Trailhead parking area, which is the nearest significant landmark. For those using public transport, the Whatcom Transportation Authority (WTA) bus service can get you close to the trailhead. Check the WTA website for the latest routes and schedules.

### Trail Overview The trail begins with a gentle ascent through lush forested areas, providing a serene start to your hike. As you progress, you'll encounter the Interurban Trail, a historic route that once served as a railway line in the early 20th century. This section is relatively flat and offers a glimpse into the region's transportation history.

### Hemlock Trail Section Around the 3 km (1.9 miles) mark, you'll transition onto the Hemlock Trail. This part of the hike becomes steeper, with an elevation gain of approximately 200 meters (656 feet) over the next 2 km (1.2 miles). The Hemlock Trail is known for its dense forest canopy, which provides ample shade and a cool environment even on warmer days. Keep an eye out for local wildlife, including deer and various bird species.

### Chuckanut Mountain Ascent As you approach the 5 km (3.1 miles) point, you'll begin the ascent up Chuckanut Mountain. This section is the most challenging part of the hike, with a steep climb that rewards you with stunning panoramic views of the surrounding landscape. The elevation gain here is about 300 meters (984 feet) over 2 km (1.2 miles). On clear days, you can see the San Juan Islands and even the distant peaks of the Olympic Mountains.

### Lost Lake Loop After reaching the summit, the trail descends towards Lost Lake. This serene lake is a perfect spot for a rest and a picnic. The loop around Lost Lake is relatively flat and spans about 2 km (1.2 miles). The area around the lake is rich in flora, including ferns and moss-covered trees, creating a tranquil atmosphere.

### Return Journey The final leg of the hike takes you back towards the trailhead, completing the loop. This section is a gradual descent, allowing you to enjoy the forest scenery without too much strain. The total distance back to the starting point is around 3 km (1.9 miles), with an elevation loss of approximately 100 meters (328 feet).

### Navigation and Safety For navigation, it's highly recommended to use the HiiKER app, which provides detailed maps and real-time updates. Ensure you have adequate water, snacks, and appropriate footwear, as some sections can be rocky and uneven. Weather can change rapidly, so bring layers and be prepared for rain, especially in the fall and spring.

### Historical Significance The Interurban Trail section is particularly notable for its historical significance. Originally part of the Bellingham Bay and Eastern Railway, this route played a crucial role in the early 1900s, facilitating the transport of timber and other goods. Today, it serves as a reminder of the region's industrial past while offering a peaceful escape into nature.

This loop trail offers a well-rounded hiking experience with a mix of historical intrigue, challenging climbs, and serene natural beauty. Whether you're a seasoned hiker or looking to step up from easier trails, this hike provides a rewarding adventure.