Rainbow Lakes and Pipit Lake Loop via Upside down Creek Trail

Nestled in the rugged beauty of Sweet Grass County, Montana, the Rainbow Lakes and Pipit Lake Loop via Upside Down Creek Trail offers a challenging yet rewarding adventure for seasoned hikers. Spanning approximately 42 kilometers (about 26 miles) with an elevation gain of around 1,500 meters (4,921 feet), this loop trail is a testament to the grandeur of Montana's wilderness.

Getting There

The trailhead is conveniently located near Sweet Grass County, Montana. For those driving, the nearest significant landmark is the town of Big Timber, which is accessible via Interstate 90. From Big Timber, head south on Highway 298, following signs for the Boulder River Valley. The trailhead is situated near the end of this scenic drive. Public transport options are limited in this remote area, so driving is the most practical way to reach the trailhead.

Trail Overview

The loop begins with a gradual ascent through dense forests, where the scent of pine fills the air. As you climb, the trail opens up to reveal sweeping vistas of the surrounding mountains. The first major landmark is Rainbow Lakes, located approximately 10 kilometers (6.2 miles) from the start. These pristine alpine lakes are a perfect spot for a rest, offering stunning reflections of the sky and surrounding peaks.

Upside Down Creek and Pipit Lake

Continuing along the trail, you'll follow Upside Down Creek, a serene waterway that guides you deeper into the wilderness. The trail here can be rugged, with rocky sections that require careful navigation. Using the HiiKER app is recommended to stay on track and ensure you don't miss any turns.

Around the 21-kilometer (13-mile) mark, you'll reach Pipit Lake, a hidden gem nestled in a high alpine basin. The lake is often surrounded by wildflowers in the summer months, creating a vibrant contrast against the stark mountain backdrop. This area is also a prime spot for wildlife viewing, with chances to see mountain goats and marmots.

Historical Significance

The region surrounding the trail is steeped in history, with roots tracing back to the Native American tribes who once traversed these lands. The area was also explored by early European settlers and fur trappers, leaving behind a legacy of exploration and adventure. As you hike, you may come across remnants of old mining operations, a testament to the area's rich past.

Final Stretch

The final leg of the loop takes you through a series of switchbacks, descending back towards the trailhead. This section offers panoramic views of the Boulder River Valley, a fitting end to a challenging hike. As you make your way down, take a moment to appreciate the diverse ecosystems you've traversed, from lush forests to alpine meadows.

Preparation and Safety

Given the trail's difficulty, proper preparation is essential. Ensure you have adequate supplies, including water, food, and weather-appropriate clothing. The weather in this region can be unpredictable, with sudden changes in temperature and conditions. Always check the forecast before setting out and let someone know your plans.