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Salt Lake County
Brighton

Reynolds Peak via Mill D North Fork Trail

Routes
Hiking trails & Routes
Salt Lake County
Brighton

Reynolds Peak via Mill D North Fork Trail

Moderate

4.9

(12)

54

hikers

Reynolds Peak via Mill D North Fork Trail

03:46

10.4km

590m

Hiking

Embark on the Reynolds Peak via Mill D North Fork Trail for a rewarding hike through varied terrain. You will navigate a moderate 6.4 miles (10.4 km) route, gaining 1945 feet (593 metres) in elevation. The path begins in dense forests of quakies and fir, gradually opening into scenic meadows as you ascend. Along the way, you will pass the charming Dog Lake, a perfect spot for a brief pause before continuing your climb towards the summit, which typically takes around 3 hours and 45 minutes to complete.

When planning your visit, be aware that the trailhead for this route is located within the Salt Lake Watershed. This designation means that dogs are generally not permitted if you access the trail from Big Cottonwood Canyon. Always check current local regulations before heading out to ensure a smooth trip. Consider starting early, especially during warmer months, to enjoy cooler temperatures and avoid afternoon crowds on the ascent.

This trail offers expansive views of Big Cottonwood Canyon and other prominent Wasatch peaks from the summit of Reynolds Peak. It provides a sustained climbing experience, making it a popular choice for hikers seeking a significant workout with a scenic payoff. The transition from forested sections to open meadows adds to the route's appeal, showcasing the diverse natural beauty of the Mount Olympus Wilderness.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Uinta-Wasatch-Cache National Forest

Waypoints

A

Start point

Parking

Get Directions

1

4.27 km

Dog Lake

Highlight • Lake

Dog Lake is a beautiful lake located between Big Cottonwood Canyon and Millcreek. It is lined with trees and (you guessed it) dog friendly! Dogs can usually be seen splashing and swimming around this lake with their people.

Tip by

2

5.15 km

Reynold's Peak

Highlight • Summit

Reynold’s Peak sits on the ridge between Butler Fork and Big Cottonwood Canyon. In the summer, it is a great spot to summit and take in the views. In the winter, it’s a popular spot for skiing and snowshoeing.

Tip by

B

10.4 km

End point

Parking

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Way Types & Surfaces

Way Types

7.33 km

2.91 km

< 100 m

< 100 m

< 100 m

Surfaces

10.2 km

110 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Friday 10 July

27°C

7°C

5 %

Additional weather tips

Max wind speed: 12.0 km/h

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Frequently Asked Questions

How long does it typically take to hike the Reynolds Peak via Mill D North Fork Trail?

The round trip to Reynolds Peak generally takes hikers between three to four hours to complete. This duration accounts for the sustained elevation gain and technical sections of the trail.

What is the terrain like on this trail?

The trail starts by traversing east before bending north as it ascends the canyon. The path to Dog Lake is well-marked. Beyond the lake, the ascent to Reynolds Peak involves a fainter track that can be overgrown in spots. Expect technical singletrack with roots and embedded rocks, and potentially steep, slippery sections with log water-bars. The lower half is heavily forested, while the upper half opens up to meadows.

Is the Reynolds Peak via Mill D North Fork Trail suitable for beginners?

This trail is officially rated as 'Difficult' or 'Hard' by various sources, and categorized as T3 Demanding Mountain Hiking on the SAC scale. While the views from the summit are rewarding, the sustained elevation gain and technical terrain make it more suitable for hikers with some experience rather than absolute beginners.

What are the parking options for the Mill D North Fork Trailhead?

Parking for the Mill D North Fork Trail is available at the trailhead located in Big Cottonwood Canyon. It's advisable to arrive early, especially on weekends, as parking can fill up quickly. For more detailed information on access, you can check resources like the USDA Forest Service website.

Is the Reynolds Peak via Mill D North Fork Trail dog-friendly?

No, dogs are generally prohibited on this portion of the trail because it originates from Big Cottonwood Canyon, which is part of the Salt Lake Watershed. Dogs are only allowed if accessed from Mill Creek Canyon, but this specific route starts in Big Cottonwood Canyon.

What can I see along the route?

Hikers are treated to very scenic views throughout. You'll pass the tiny and picturesque Dog Lake, and as you gain elevation, you'll get 'eye-popping views' of the Wasatch peaks. The summit of Reynolds Peak offers wonderful panoramic vistas of Big Cottonwood Canyon, including Gobblers Knob and Mount Raymond, and the high peaks of the Twin Peaks Wilderness Area to the south. During summer, beautiful ferns and wildflowers are also abundant.

What is the best time of year to hike this trail?

The best time to hike this trail is typically during the summer and early fall months when the snow has melted, and wildflowers are in bloom. The area is also popular for winter activities like snowshoeing and cross-country skiing, but the hiking route transforms into a ridgeline tour during those months.

Are there any permits or entrance fees required for hiking in the Mount Olympus Wilderness?

Generally, there are no specific permits or entrance fees required for day hiking on the Reynolds Peak via Mill D North Fork Trail within the Mount Olympus Wilderness. However, it's always a good idea to check the latest regulations with the U.S. Forest Service before your trip, especially for group sizes or overnight stays.

Does this trail intersect with other well-known paths?

Yes, the route primarily follows the Mill D North Fork Trail. It also briefly intersects with sections of the Desolation Trail and the Mill D North Fork Connector Trail.

Are there any viewpoints or landmarks along the way?

Absolutely. Key landmarks include the picturesque Dog Lake, which is a popular stop. The ultimate viewpoint is the summit of Reynolds Peak itself, offering expansive panoramic views of the surrounding Wasatch Range and canyons. Along the initial ascent, you'll also get scenic views looking back towards the Solitude area.

What makes the climb from Dog Lake to Reynolds Peak unique?

While the overall trail is rated difficult, the climb from Dog Lake to Reynolds Peak is often described as 'not-too-difficult' given the rewarding summit views. It involves finding a faint track on the south side of the lake leading up the north ridge. This section can be overgrown but offers a direct path to the exceptional panoramic vistas.

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