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Routes
Mountain biking trails
United States
Nevada
Clark County
Summerlin South

Perma Grin loop — Bears Best

Easy

4.9

(4914)

14,711

riders

Perma Grin loop — Bears Best

01:19

15.8km

200m

Mountain biking

Get ready to mountain bike the Perma Grin loop — Bears Best, an easy 9.8-mile (15.8 km) route that offers a unique "roller coaster" flow through the Red Rock desert scenery. You'll navigate continuous undulations and "whoop-d-whoops" as the trail winds through washes and gullies, often riding along the sloping…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Red Rock Canyon National Conservation Area

Waypoints

A

Start point

Parking

Get Directions

1

77 m

Mesa Park

Highlight • Rest Area

Mesa Park is a large, 19-acre park in Summerlin South. There are bathrooms, a playground, two tennis courts, three softball/baseball fields, a full-sized basketball court, covered picnic/BBQ areas, and parking. …

Tip by

2

2.14 km

Canal Road

Highlight (Segment) • Cycleway

The Canal Road is a well-graded dirt road next to the canal. It's an easy way to warm up your legs as you ride up to Bears Best.

Tip by

3

10.1 km

Benchmark Trail

Highlight (Segment) • Trail

Benchmark is a fun, short trail that connects Gasoline Road to Jeep Road and the respective nearby trails at the 5-Way with a short, but steep, section. It is frequently …

Tip by

4

11.5 km

Permagrin Trail

Highlight (Segment) • Trail

Permagrin (or Perma Grin) is one of the most popular trails in the Bears Best Trail system that should be ridden from south to north (downhill). Permagrin is comprised of …

Tip by

B

15.8 km

End point

Parking

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Way Types & Surfaces

Way Types

7.83 km

4.32 km

1.31 km

1.22 km

1.16 km

Surfaces

9.59 km

3.18 km

1.31 km

1.16 km

605 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Sunday 24 May

33°C

18°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Perma Grin loop?

While some might consider it beginner-friendly, the Perma Grin loop is generally rated as an intermediate, or 'Blue,' trail. Its continuous undulations and some rocky sections can be a bit challenging for absolute beginners, but experienced riders will find it a fun and engaging ride.

What is the terrain like on this mountain biking route?

The route is primarily a singletrack that winds through washes and gullies, creating a distinctive roller-coaster-like flow with consistent ups and downs. You'll ride along the sloping side of a mesa, experiencing a mix of smooth sections and some rocky parts, all set against a backdrop of stunning desert views.

How long does it typically take to complete the Perma Grin loop?

The full route, which includes the Perma Grin loop, is approximately 9.8 miles (15.8 km) long and typically takes around 1 hour and 18 minutes to complete on a mountain bike. The Perma Grin section itself is about 0.9 miles and can be ridden in about 6 minutes.

Where can I park to access the Perma Grin loop?

You can typically find parking near the trailhead in the Bears Best area. A good starting point is often near Mesa Park, which offers facilities and convenient access to the trail network.

Is the Perma Grin loop dog-friendly?

Yes, the Perma Grin loop is dog-friendly. However, always ensure your dog is on a leash and that you clean up after them to maintain the trail's cleanliness and respect other users.

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

The most popular months for riding the Perma Grin loop are October, February, and May, when the desert temperatures are more moderate. It's best to avoid the intense heat of summer and be prepared for cooler conditions in winter.

Are there any permits or fees required to access the Bears Best riding area?

Generally, there are no specific permits or entrance fees required to access the Bears Best riding area for mountain biking. However, it's always a good idea to check local regulations before your visit, as conditions can change.

What makes the Perma Grin loop unique?

The Perma Grin loop is renowned for its unique 'roller coaster' flow, characterized by continuous undulations and 'whoop-d-whoops' that are said to put a 'perma grin' on riders' faces. For the best experience, it's highly recommended to ride the Permagrin Trail from south to north.

Does this route connect with other trails in the area?

Yes, the Perma Grin loop is part of the larger Red Rock - Bear's Best network, offering numerous interconnected trails for extended rides. This specific route also passes through sections of the Morgan's Mile, Berry's Dive, Step Down Jump, and Uptown Funk / Mars Playground trails.

Are there any notable points of interest along the way?

Beyond the exciting terrain, the route passes by Mesa Park, which offers facilities. You'll also ride along Canal Road and sections of the Benchmark Trail, all while enjoying the picturesque desert scenery.

What should I be aware of regarding development in the Bears Best area?

Ongoing development in the Bears Best area, particularly housing construction, has impacted some trails, with certain sections being altered or removed. It's advisable to check recent trail conditions or local forums before your ride to stay informed about any changes.

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