Cosley Lake and Belly River Loop

Nestled in the heart of Glacier National Park, the Cosley Lake and Belly River Loop offers a challenging yet rewarding adventure for seasoned hikers. This 49 km (approximately 30 miles) loop trail begins near Glacier County, Montana, and is renowned for its stunning landscapes, diverse wildlife, and historical significance. With an elevation gain of around 1800 meters (approximately 5905 feet), this trail is rated as difficult and requires thorough preparation.

Getting There

To reach the trailhead, travelers can drive to Glacier County, Montana. If you're coming from a distance, the nearest major airport is Glacier Park International Airport in Kalispell, Montana. From there, it's about a 2.5-hour drive to the trailhead. For those relying on public transport, Amtrak's Empire Builder line stops at East Glacier Park, from which you can arrange a shuttle or taxi to the trailhead.

Trail Highlights

Scenic Beauty and Landmarks

The loop takes you through some of the most breathtaking scenery in Glacier National Park. Starting from the trailhead, hikers will soon encounter the serene waters of Cosley Lake. This pristine lake is surrounded by towering peaks and offers a perfect spot for a brief rest and reflection. As you continue, the trail meanders through lush forests and open meadows, providing ample opportunities to spot wildlife such as moose, deer, and the occasional bear. Always remember to maintain a safe distance and follow park guidelines for wildlife encounters.

Further along, the trail leads to the Belly River, a picturesque waterway that winds through the landscape. The river's banks are dotted with wildflowers in the warmer months, adding a splash of color to the already vibrant scenery. The trail also offers views of the majestic Ptarmigan Wall, a striking geological formation that is a highlight for many hikers.

Historical Significance

The region around the Cosley Lake and Belly River Loop is steeped in history. The area was traditionally inhabited by the Blackfeet Nation, and their cultural heritage is deeply intertwined with the landscape. As you hike, consider the historical significance of the land and the stories it holds. The trail itself has been used for centuries, first by Indigenous peoples and later by explorers and settlers.

Trail Navigation and Safety

Given the trail's difficulty, it's crucial to be well-prepared. The loop's elevation gain of 1800 meters (5905 feet) means hikers should be ready for steep ascents and descents. Weather conditions can change rapidly in the mountains, so pack layers and rain gear. It's also advisable to carry a detailed map and use the HiiKER app for navigation, as cell service can be unreliable in the park.

Water sources are available along the trail, but it's essential to treat or filter water before drinking. Additionally, ensure you have enough food and supplies for the entire hike, as there are no facilities along the route.

Wildlife and Flora

The trail's diverse ecosystems support a wide range of flora and fauna. In addition to larger mammals, hikers may encounter smaller creatures like marmots and pikas. Birdwatchers will delight in the variety of species, including eagles and hawks soaring above. The plant life is equally diverse, with forests of pine and fir giving way to alpine meadows filled with wildflowers.

Final Preparations

Before setting out, check the latest trail conditions and weather forecasts. Permits are required for backcountry camping, so plan accordingly if you intend to stay overnight. The Cosley Lake and Belly River Loop is a challenging but unforgettable journey through one of America's most beautiful national parks, offering a perfect blend of natural beauty, wildlife, and history.