GUNPOWDER UNITED MOUNTAIN BIKE OPERATORS
GUMBO
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Building a better trail experience for all

Contribute
Next Trail Work Day - Saturday, April 18th
Our next trail work day will again be the third Saturday of the month, April 18th! (Second Saturday is still our regular date, but schedule conflicts necessitate the change) We'll meet at 8:30 AM at the Harford Rd. parking area on the Baltimore County side (aka Har-Bal). We'll be working on the A-Side Flats, headed toward Bel Air Rd. Tools will be provided. Sturdy shoes, gloves and water/snacks are recommended. Come out and give back to the trails we love! Please sign up using the link below, to help us gauge attendance.

​Trail Work Signup

Youth Mountain Biking

The Gunpowder Mill Racers are a youth mountain biking team, based in the Fallston, MD area, with members from all areas north and east of Baltimore. The team is one of roughly 25 in the Maryland Interscholastic Cycling League (MICL), which operates under the principles and guidelines of the National Interscholastic Cycling Association (NICA). We're now preparing our ninth season of getting middle and high schoolers out on bikes, helping them build a passion for mountain biking. Student-athlete registration is now open, so if you're interested in riding, have kids interested in riding or would like to help out, select the link below or email us at [email protected] for more information.

See Team and Season Information
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First Trail Work Day of the Season - Guyton It Done


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Little Gunpowder Night Rides
 MORE/GUMBO organized, park approved, group night rides at Little Gunpowder are done for the off season, as we've now entered Daylight Saving Time. Unfortunately, much of early 2026 was inhospitable for riding , but we'll hope for better conditions in November, when we'll be back at these again.

Interactive Trail Map!
A complete trail map of the Little Gunpowder trail system is on Trailforks. You can use the map below, view it on the Trailforks web site or take the map with you using the Trailforks app!

Trailforks.com
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View the trail map during your ride using the Trailforks app! Available for iOS and Android, you can see your GPS location on the map, for easy trail navigation. See trail names, elevation info, parking areas and more. You can also use the app to view and report trail conditions.

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GUMBO Trail Work T-Shirts
We now have these available for purchase, but you'll need to come out to a trail work day to get one!

You can make donations directly to GUMBO using PayPal. Your donation will directly benefit the trail system by being used for trail building materials, tools and supplies. GUMBO is a registered 501c3 non-profit organization and your donation may be tax-deductible.


2026
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