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Routes
Mountain biking trails
United States
California
Riverside County

The Hub: Toptimator, Black Bear & Smokestack Loop

Routes
Mountain biking trails
United States
California
Riverside County

The Hub: Toptimator, Black Bear & Smokestack Loop

Moderate

5.0

(9301)

13,905

riders

The Hub: Toptimator, Black Bear & Smokestack Loop

01:53

17.0km

490m

Mountain biking

This moderate 10.5-mile mountain biking loop combines Toptimator, Black Bear, and Smokestack trails in the San Bernardino National Forest.

Last updated: February 26, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 12.5 km for 395 m

Waypoints

A

Start point

Parking

Get Directions

1

3.53 km

San Bernardino National Forest

Highlight (Segment) • Forest

For the forest lovers out there, this area will surely make you happy. The colors are strong all year round and make you appreciate what each season has to offer.

Tip by

2

10.2 km

Lia Hona Lodge

Highlight • Mountain Hut

Lia Hona Lodge is located between Red Hill Road and the Toptimator trail. There is no information available on the use of the facility, but the buildings are there, in …

Tip by

3

11.3 km

Toptimator Trail

Highlight (Segment) • Trail

Topimator runs along the ridgeline and gives you great views across the mountains. You'll have you pick of downhill lines from here including Hard Sun, Optimator, and Project-X.

Tip by

4

15.2 km

Project-X DH Trail

Highlight (Segment) • MTB Park

Project-X is the premier downhill trail in The Hub and it's meant for experts only, though the bottom half is a bit easier and advanced intermediate riders looking for a …

Tip by

B

17.0 km

End point

Parking

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Way Types & Surfaces

Way Types

15.2 km

1.77 km

Surfaces

15.2 km

1.77 km

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Elevation

Elevation

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

Highest point (1,840 m)

Lowest point (1,440 m)

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Weather

Powered by Foreca

Today

Saturday 9 May

26°C

13°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access this mountain biking loop?

The Hub in Idyllwild, California, serves as a general access point for this network of trails. Specific parking areas aren't officially designated for this particular loop, as it's a combination of trails. Riders typically find parking near the main access points to The Hub network. Always check local regulations for parking.

Is this mountain biking loop dog-friendly?

While many trails in the San Bernardino National Forest allow dogs, specific regulations can vary. As this loop combines several trails within The Hub network, it's best to confirm the current rules for each segment. Generally, if dogs are permitted, they must be kept on a leash.

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

The Hub trails, including the Toptimator, Black Bear & Smokestack Loop, are best ridden during the spring, summer, and fall months. Winter can bring snow to Idyllwild, making mountain biking difficult or impossible. Always check weather and trail conditions before heading out, especially after rain.

Do I need any permits or pay entrance fees for this trail?

Riding within the San Bernardino National Forest generally does not require a specific permit for mountain biking. However, some areas might have Adventure Pass requirements for parking at certain trailheads. It's always a good idea to check the official San Bernardino National Forest website for the most current information on fees or permits.

How difficult is the Toptimator, Black Bear & Smokestack Loop?

This loop is generally rated as moderate (blue difficulty), suitable for intermediate riders. While Toptimator is known for its downhill flow, Black Bear involves a moderate climb, and Smokestack offers a more pedaly, meandering experience. The overall difficulty depends on your chosen climbing routes and connections within The Hub network.

What kind of terrain can I expect on this mountain biking loop?

You can expect a diverse range of terrain within the scenic San Bernardino National Forest. Toptimator offers flowy singletrack with banked turns, ideal for downhill. Black Bear is a multi-use singletrack with moderate climbs, potentially overgrown in sections. Smokestack is described as a fun, flat, and pedaly meandering singletrack. The loop combines these, offering both rewarding climbs and exciting descents.

Are there any notable features or viewpoints along the way?

The loop takes you through the beautiful San Bernardino National Forest, offering typical forested, mountainous views. While specific named viewpoints aren't highlighted for this exact combination, the entire area provides a scenic alpine backdrop. You'll also pass by the Lia Hona Lodge.

Does this loop connect with other trails in The Hub network?

Yes, this loop is a combination of popular trails within the extensive Hub network. It utilizes sections of Toptimator Trail, Black Bear, and Smokestack. You might also encounter parts of Hobo Village, Fisherman Fuelbreak, Lefthand Trail, Strawberry Ridge Road, Drifter's Gulch, and Project-X DH Trail, among many others, as you navigate the area.

What should I know about navigating The Hub trails?

The Hub is known for its constantly evolving nature and lack of official, marked maps. It is highly recommended to use a GPS device or a navigation app with offline maps, such as komoot, as cell service is generally unavailable in the area. This will help you stay on track and explore the network effectively.

Is cell service available on the trail?

No, cell service is generally unavailable in the area of The Hub trails. It's crucial to download offline maps or use a GPS device for navigation before you start your ride.

Are there amenities like cafes or accommodation nearby?

Yes, the town of Idyllwild is close by and offers various amenities. You can find cafes, pubs, and accommodation options there to refuel and relax before or after your ride.

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Palm Canyon Epic – San Bernardino National Forest

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