Marvin's, Phil's, and KGB Loop

The most common starting point for this loop is Phil's Trailhead, which offers ample parking. It's a popular spot, so arriving earlier in the day, especially on weekends, is recommended to secure a space.

The Marvin's, Phil's, and KGB Loop is located within the Deschutes National Forest. While there isn't a specific permit required for riding the trails themselves, some areas within the National Forest may require a recreation pass for parking. It's always a good idea to check the latest regulations for the Deschutes National Forest before your visit.

While the loop is generally considered an 'easy' mountain bike route with an overall 'moderate' physical rating, it does feature a mix of terrain. Sections like Marvin's Garden Trail are flowing and beginner-friendly. However, the KGB section includes a notable steep climb with tight switchbacks, often called 'Heartbreak Hill,' and some technical elements. Beginners should be comfortable with basic singletrack riding and some climbing.

You'll encounter mostly smooth, fast, and hard-packed singletrack winding through open pine forests. The trail features numerous fun turns, rolling ups and downs, and optional small technical elements like logs, bridges, and narrow tree openings. During hot, dry summers, some hard-packed edges can become very fine pumice, so ride with caution.

Yes, while largely forested, the loop offers fantastic views of the Cascade volcanoes. A specific highlight for scenery is at the top of the climb on the KGB trail, where you can enjoy a clear view of the Cascade Range and Mt. Jefferson.

The best time to ride this loop is typically from late spring through early fall (May to October), when the weather is dry and the trails are in prime condition. During hot summer months, consider riding earlier in the morning to avoid the heat and potential fine pumice on the trail edges.

Yes, dogs are generally allowed on the trails within the Phil's Trail network, including this loop. However, they must be kept on a leash at all times, and you are responsible for cleaning up after your pet. Always be mindful of other trail users.

Key highlights include the flowing and rolling sections of Marvin's Garden Trail, known for its fun corners and rock options, including the unique 'Otter Slide.' The KGB section offers some technical challenges and rewarding views of the Cascade Range. The entire loop is part of the extensive and popular Phil's Trail network, renowned for its excellent flow.

Yes, the route utilizes sections of several trails within the Phil's Trail network. You'll ride on parts of Phil's Trail, KGB, and Marvin's Garden. It also briefly crosses sections of the Cascade Highlands Trail, NFD 4604, Kent's Trail, Ben's Trail, Grand Slam, and Expressway.

The average duration for mountain biking the Marvin's, Phil's, and KGB Loop is approximately 45-50 minutes. This can vary depending on your fitness level, riding speed, and how often you stop to enjoy the scenery or navigate technical sections.

This loop is highly popular due to its excellent flow, fun factor, and varied riding experience. It combines fast, hard-packed singletrack with optional technical features, making it appealing to a wide range of riders. Its location within the renowned Phil's Trail network near Bend, Oregon, also contributes to its popularity.