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Routes
Mountain biking trails
United States
Colorado
Pitkin County

Father of Ginormous Loop

Hard

4.8

(1695)

18,084

riders

Father of Ginormous Loop

02:54

15.9km

440m

Mountain biking

Prepare for a dynamic mountain biking experience on the Father of Ginormous Loop, a difficult route spanning 9.9 miles (15.9 km). You will encounter diverse terrain, from natural features to purpose-built elements like large wall rides and sweeping turns. As you climb, you will gain 1446 feet (441 metres), offering rewarding views of El Jebel and the "Crown" area. The trail follows an old wash, creating a unique flow with small step-up hip jumps. Expect a predominantly downhill-focused ride, making for an exciting descent that takes around 2 hours and 53 minutes to complete.

This challenging mountain bike loop is situated within the Prince Creek & Crown Trail System, close to Carbondale, Colorado. To begin your adventure, access the trail via the Prince Creek Trailhead. Parking is generally available at the trailhead, providing a convenient starting point for your ride. Always check local conditions before heading out, especially concerning weather and trail status.

The Father of Ginormous Loop stands out for its unique blend of natural and engineered features, providing a distinct character within the Prince Creek & Crown Trail System. Its design incorporates the natural contours of an old wash, enhancing the flow of the ride. The trail's layout, with its ravine-following sections, contributes to a thrilling and memorable mountain biking experience for those seeking a demanding route.

Last updated: April 23, 2026

Tips

Includes a very steep uphill segment

You may need to push your bike.

After 3.49 km for 350 m

Waypoints

A

Start point

Parking

Get Directions
1

3 m

Prince Creek Trailhead

Highlight • Trail

Prince Creek Trailhead provides access to great mountain bike, trail running and hiking trails. The trails range from a quick afternoon loop to an all-day 20+ mile loop.
There is also several dispersed campsites along Prince Creek Road leading up to the trailhead.

Tip by

B

15.9 km

End point

Parking

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Way Types & Surfaces

Way Types

12.6 km

3.23 km

< 100 m

Surfaces

13.0 km

2.87 km

< 100 m

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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 (2,520 m)

Lowest point (2,150 m)

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Weather

Powered by Foreca

Today

Sunday 11 October

22°C

7°C

83 %

Additional weather tips

Max wind speed: 15.0 km/h

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Frequently Asked Questions

Where can I park to access the Father of Ginormous Loop trail?

The primary access point for this loop is the Prince Creek Trailhead near Carbondale, Colorado. You'll find parking available there, which serves as a gateway to the broader Prince Creek & Crown Trail System.

Is the Father of Ginormous Loop suitable for beginner mountain bikers?

No, the Father of Ginormous Loop is rated as a "Black Diamond" (expert) route due to its significant elevation changes and technical features. While the individual "Father of Ginormous" trail itself is sometimes rated intermediate, the full loop elevates the overall challenge, making it best suited for experienced riders.

What is the terrain like on this mountain bike loop?

The terrain is diverse and dynamic. You'll encounter natural features combined with purpose-built elements like large wall rides, sweeping turns, and small step-up hip jumps. The lower sections tend to narrow with sharper turns, often utilizing an old wash for unique flow and natural humps. It's predominantly downhill-focused and known for being fast and playful.

How long does it typically take to complete the Father of Ginormous Loop?

Based on tour data, the loop typically takes around 2 hours and 53 minutes to complete. This duration can vary depending on your riding speed and how often you stop to enjoy the features or views.

Are there any permits or fees required to ride in the Prince Creek & Crown Trail System?

Generally, there are no specific permits or entrance fees required for day use of trails within the Prince Creek & Crown Trail System, as much of it is on BLM land. However, it's always a good idea to check with local land management agencies for any updated regulations before your ride.

Is the Father of Ginormous Loop dog-friendly?

Specific regulations regarding dogs on this particular mountain bike-only trail are not explicitly stated. Given the technical nature, high speeds, and one-way downhill flow, it might not be the safest or most enjoyable experience for dogs. If you do bring a dog, ensure they are well-behaved, on a leash, and that you are aware of any local rules.

What is the best time of year to mountain bike this loop?

The best time to ride this loop is typically from late spring through early fall. During these months, the weather in Carbondale, Colorado, is generally favorable, and the trails are free of snow. Always check current trail conditions before heading out, especially after heavy rain or snowmelt.

Does the Father of Ginormous Loop connect with other trails?

Yes, the loop is part of a larger network. The Father of Ginormous trail itself ends by connecting to other routes like South Porcupine, Christmas Tree, Monte Carlo, and the Prince Creek Trail. The full loop also passes through sections of Father of Ginormous, Lower Undie, Innie, and South Porcupine.

Are there any notable features or viewpoints along the route?

Absolutely! The trail is packed with notable features, including large wall rides, numerous sweeping turns, and small step-up hip jumps. An optional "Crossover Sector" was added in late 2022, featuring a significant drop and additional jumps. From higher access points like BLM Road 8324, you can also enjoy views of El Jebel and the "Crown" area.

What gear should I bring for mountain biking the Father of Ginormous Loop?

Given its difficult rating and technical features, you should bring a well-maintained full-suspension mountain bike, a helmet, gloves, and appropriate protective gear. Carry plenty of water, snacks, a repair kit, and a first-aid kit. A GPS device or a downloaded map is also recommended as it's a complex trail system.

Is the Father of Ginormous trail a one-way downhill route?

Yes, the Father of Ginormous trail, which forms a significant part of this loop, is designed as a one-way, predominantly downhill route. It's meant to be ridden in a specific direction to maximize the flow and safety, especially with its playful features like wall rides and jumps.

Nearby routes

Moderate

1

Prince Creek Road

01:34h

12.9km

560m

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