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Twin Sisters Hike in Colorado

An outstanding trail in the Rocky Mountains

Best time: May–October

Twin Sisters Hike
Twin Sisters Hike

The Twin Sisters Peaks are located in the Front Range of Rockies, in Rocky Mountain National Park and Roosevelt National Forest. With an elevation of 11,433 ft (3,485 m), the summit offers magnificent views of Estes Park, Longs Peak, Continental Divide, and the surrounding area.

The 7-mi (11-km) trail lies through the picturesque area with alpine woods and meadows. It starts from the Twin Sisters Trailhead near Lily Lake. To get there drive on Highway 7, turn left onto Serenity Ln. and follow the dirt road through Estes Park. The first part of the hike is easy, but after a couple of miles, you'll pass the Roosevelt forest, and get into the boulder field with a few sets of switchbacks. Even though the trail is open year-round, the best season is May through October for the picturesque views and wildlife encounters.

Hikers can climb the East or the West Peak of Twin Sisters. Both require some effort due to scrambling, but the West Peak is considered to be a little easier. Hikers can have a perfect picnic with panoramic views on top before heading back the same way. Backpackers will need a wilderness permit to stay overnight in the backcountry. Another option is the Longs Peak Campground.

Practical info

What is the difficulty level of the Twin Sisters hike?

The Twin Sisters hike has a moderate to difficult rating. While the early stages of the trail are straightforward, the later section is steep and challenging, particularly the rocky terrain towards the top. Hikers should be in good physical shape and acclimatize to the altitude before attempting the climb. Show more

What is the distance of the Twin Sisters hike?

Hiking the Twin Sisters requires covering around seven miles (11 km) in a round trip. The hike's length and difficulty will vary based on the summit the hiker chooses to scale. The trek typically takes 4-6 hours, depending on the person's pace and the number of breaks they take. It is essential to wear sturdy hiking boots with good ankle support when walking over the rocky terrain. Show more

When is the best time of the year to hike the Twin Sisters trail?

The Twin Sisters trail is best hiked from May through October. During this period, the weather is typically moderate and sunny, and the trail is more accessible. The higher elevations are less prone to snow and ice, making the hike safer and more enjoyable. Visitors should, however, be mindful of Colorado's summer afternoon thunderstorms. Show more

Where can I get a wilderness permit to stay overnight in the backcountry?

To stay overnight in the backcountry areas around Twin Sisters Peaks, hikers must obtain permits from the National Park or Forest website or ranger station offices. It is advisable to make prior arrangements to stay in popular campgrounds like Longs Peak as space is limited and can fill up quickly, primarily during peak seasons. Show more

What should I bring on a backpacking trip to the Twin Sisters Peaks?

When planning a backpacking trip to Twin Sisters Peaks, hikers must carry essential items such as waterproof clothing, wind-resistant jacket, gloves, map, compass, GPS device, water filter, and purifier. Backpackers may also need to carry bear canisters, sleeping gear, a stove, first aid kit, and food. It is always prudent to pack high-energy snacks in lightweight packages and drink plenty of water before and during the trip. Show more

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