Highlight • Lake
Mills Lake
Hiking
5.0
(5)
Mills Lake is a stunning subalpine lake nestled within the Glacier Gorge area of Rocky Mountain National Park, Colorado. Situated at an elevation of approximately 3,030 meters (9,940 feet), this crystal-clear body of water is renowned for its pristine mountain environment and serves as a natural monument within the majestic Rocky Mountains. It is named in honor of Enos Mills, often called the "father of Rocky Mountain National Park," recognizing his significant contributions to the park's establishment.
What draws visitors to Mills Lake most is its breathtaking natural beauty and the serene atmosphere it offers. From its eastern shore, hikers are treated to outstanding views of prominent peaks such as the Keyboard of the Winds, Pagoda Mountain, Chiefs Head Peak, and Thatchtop Mountain. The calm waters often provide a perfect reflection of the surrounding glacial gorge, creating picturesque scenes that are particularly captivating in the early morning light.
To reach Mills Lake, most adventurers begin their journey from the Glacier Gorge Trailhead, located off Bear Lake Road. This popular trailhead also provides access to other trails and lakes, so arriving early, especially on weekends, is highly recommended to secure a parking spot. The trail itself is considered intermediate in difficulty, covering about 5 miles round trip with roughly 700 feet of elevation gain. During winter, the terrain can be challenging, and visitors should be prepared with appropriate gear, such as micro spikes, for safe passage on icy or snowy sections.
Mills Lake is a rewarding destination throughout the year, with each season offering a unique experience. Autumn is particularly spectacular as the aspen trees display vibrant colors, making it a prime time for photography and scenic hikes. The lake is also one of the few in Rocky Mountain National Park where fishing is permitted, with brook trout, rainbow trout, and greenback cutthroat trout inhabiting its waters. Many visitors enjoy the opportunity for wildlife viewing, spotting various animals in their natural habitat.
The hike to Mills Lake is an experience in itself, passing by notable landmarks such as Alberta Falls, a beautiful 30-foot waterfall on Glacier Creek, and Glacier Falls. Beyond Mills Lake, more adventurous hikers can continue to explore at least six other alpine lakes, offering a bigger challenge and even more stunning alpine landscapes. The area around the lake features a large rocky expanse, perfect for a peaceful picnic or simply soaking in the incredible views.
Whether you're seeking a moderate day hike, a tranquil spot for reflection, or a chance to witness the grandeur of the Rocky Mountains, Mills Lake delivers. Discover a variety of Mills Lake trails and routes, explore the terrain, and plan your visit using the komoot route planner to find the perfect adventure for you, from family-friendly hikes to more challenging excursions into the high alpine wilderness.
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Rocky Mountain Wilderness
Tips
December 12, 2023
Hiking
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Nearby routes
Best routes near Mills Lake
5.0
(2)
102
hikers
13.0km
04:10
410m
420m
This epic Rocky Mountain National Park hike strings together some of the park's most iconic alpine lakes, offering a diverse and stunning exploration. You'll wander through subalpine forests, past the lily pads of Nymph Lake, and up to the reflective waters of Dream Lake. The trail continues to the dramatic cirque of Emerald Lake, then veers off to the unique turquoise hues of Lake Haiyaha, surrounded by a rugged boulder field. Further on, you'll discover the serene Mills Lake and the marshy beauty of Jewel Lake, all while enjoying expansive mountain views.
To tackle this moderate 8.1-mile (13.0 km) route with 1354 feet (413 metres) of elevation gain, plan for about 4 hours and 9 minutes of hiking. The Bear Lake Trailhead is a popular starting point, so an early start or using the park shuttle is essential to secure access. Remember that Rocky Mountain National Park often requires timed entry permits, especially during busy periods, so check current park regulations before your visit.
This trail is a true highlight of the park, celebrated for its ability to showcase so many of its natural features in one comprehensive journey. Lake Haiyaha's color-changing waters are a unique spectacle, and Mills Lake is even featured on Colorado's state quarter, underscoring its iconic status. The changing scenery, from wildflowers to rugged mountain vistas, makes this a truly memorable experience.
5.0
(6)
78
hikers
19.6km
06:34
930m
700m
Embark on a challenging hike through Rocky Mountain National Park on the Mills Lake, Black Lake, and Frozen Lake via Glacier Gorge Trail. This difficult route spans 12.2 miles (19.6 km) and climbs 3043 feet (927 metres), taking you about 6 hours and 33 minutes to complete. You will experience diverse ecosystems, from subalpine forests to open tundra, passing iconic spots like Alberta Falls and enjoying views of jagged peaks reflected in the crystal-clear alpine waters of Mills Lake.
Before you go, be aware that the section beyond Black Lake to Frozen Lake is unmaintained and requires good route-finding skills, making it best for experienced hikers. Rocky Mountain National Park often requires timed entry permits during peak seasons, so check the nps.gov website for current regulations to plan your visit accordingly. This will help ensure a smooth start to your adventure.
This trail offers a unique progression through the park's stunning landscape, culminating in expansive mountainscapes around Frozen Lake. You will witness dramatic reflections of mountains like The Arrowhead and McHenrys Peak in Black Lake, showcasing the raw beauty of the high alpine environment. It is a journey that truly immerses you in the rugged grandeur of the Rockies.
4.7
(10)
187
hikers
7.54km
02:17
250m
250m
Glacier Gorge Trail to Mills Lake is a moderate 4.7-mile hike in Rocky Mountain National Park, featuring waterfalls, mountain views, and a p
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Elevation 3,030 m
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Frequently Asked Questions
What permits or reservations are required to hike to Mills Lake?
Mills Lake is located within Rocky Mountain National Park, which requires an entrance pass. Additionally, during peak season (typically late May through mid-October), a Timed Entry Permit is often required to access the Bear Lake Road corridor, where the Glacier Gorge Trailhead is located. It's essential to check the official Rocky Mountain National Park website for the most current permit requirements before your visit.
Is Mills Lake suitable for a winter hike, and what gear is recommended?
Yes, Mills Lake is a popular winter hiking destination, offering stunning snow-covered landscapes. However, winter conditions can be challenging. Microspikes or traction devices are highly recommended for icy sections, especially on the ascent to the lake. Snowshoes may also be necessary after fresh snowfall. Hikers should dress in layers, carry plenty of water, and be prepared for rapidly changing weather conditions.
How can I avoid crowds when visiting Mills Lake?
Mills Lake is a popular destination, especially during summer and fall weekends. To avoid crowds, consider visiting on a weekday or during the shoulder seasons (late spring or late fall). Arriving very early in the morning (before 7-8 AM) is also highly recommended, as parking fills up quickly, and the trails are less busy. Starting from the Bear Lake Trailhead instead of Glacier Gorge can sometimes spread out hikers, though it adds a bit of distance.
Are there any family-friendly options or considerations for hiking to Mills Lake with children?
The hike to Mills Lake is considered moderate, covering about 5 miles round trip with 700 feet of elevation gain. While many families with active children enjoy this trail, it's important to assess your children's hiking experience and stamina. The trail passes by Alberta Falls, which can be a great shorter turnaround point for younger children. Pack plenty of snacks, water, and layers, and allow ample time for breaks.
What is the dog policy for Mills Lake and Rocky Mountain National Park?
Unfortunately, dogs are not permitted on trails, tundra, or in the backcountry of Rocky Mountain National Park, including the trail to Mills Lake. This policy is in place to protect wildlife and the natural environment. Dogs are only allowed in developed areas such as campgrounds, picnic areas, and along paved roads, and must always be on a leash no longer than 6 feet.
Are there public transport options to reach the Mills Lake trailhead?
Yes, during the peak season (typically late May through mid-October), Rocky Mountain National Park operates a free shuttle bus system. Visitors can park at the Park & Ride lot and take a shuttle to the Bear Lake Road corridor, which includes stops at the Glacier Gorge Trailhead (the primary starting point for Mills Lake) and the Bear Lake Trailhead. This is an excellent option to avoid parking challenges.
What are some notable landmarks or viewpoints along the trail to Mills Lake?
The hike to Mills Lake is rich with natural beauty. You'll pass the stunning Alberta Falls, a 30-foot waterfall on Glacier Creek, and Glacier Falls. As you approach Mills Lake, the views open up to reveal prominent peaks like the Keyboard of the Winds, Pagoda Mountain, Chiefs Head Peak, and Thatchtop Mountain, which are particularly striking from the lake's eastern shore.
What kind of wildlife can hikers expect to see around Mills Lake?
The area around Mills Lake is home to diverse wildlife. Hikers often spot elk, mule deer, and various bird species. Keep an eye out for smaller mammals like marmots and pikas in the rocky areas. While less common, black bears and mountain lions also inhabit the park, so it's always wise to be aware of your surroundings and practice Leave No Trace principles.
Are there other lakes or trails that can be combined with a visit to Mills Lake for a longer hike?
Absolutely! Mills Lake is part of a network of beautiful alpine lakes in Glacier Gorge. More adventurous hikers can continue beyond Mills Lake to explore at least six other lakes, including Jewel Lake, Dream Lake, Emerald Lake, and the stunning Loch Vale. These extensions offer a bigger challenge and even more breathtaking alpine landscapes, often leading to Sky Pond.
Is fishing permitted in Mills Lake, and what species can be found?
Yes, Mills Lake is one of the few lakes in Rocky Mountain National Park where fishing is permitted. Anglers can expect to find brook trout, rainbow trout, and greenback cutthroat trout in its waters. A valid Colorado fishing license is required, and all park fishing regulations must be followed.
Are there any accommodations or dining options directly near Mills Lake?
Mills Lake is located within the wilderness area of Rocky Mountain National Park, so there are no direct accommodations, cafes, or pubs at the lake itself. The closest amenities would be found in the nearby town of Estes Park, which offers a wide range of hotels, lodges, restaurants, and shops. Within the park, there are campgrounds available for overnight stays.