Greater Portland NEMBA
GP NEMBA is on a mission to make the Greater Portland area one of the greatest places in the country to ride a mountain bike. Join us!
The Greater Portland Chapter of the New England Mountain Bike Association (GP NEMBA) promotes mountain biking, builds and cares for public trails, and helps protect open space. Our goal is to work with local land owners and managers to ensure that off road riding opportunities are plentiful, well maintained, and sustainable. In addition to hosting regular trail building events we run a couple of socials a year, random occasional events, and a ride series. If you're riding around here, you should be a member. Visit http://nemba.org/join to join.
09/30/2026
Work is underway for the jump lines at Lavoie Bike Park. Max was building well past sunset.
The jumps are cool to check out but PLEASE stay clear of machines- operators may not see you. We'll keep you posted on progress.
Big thanks to Thirsty-Turf Irrigation, Inc. for their support on this project! If you'd like to support the project reach out or visit: https://gpnemba.org/donate/
09/27/2026
A crew of Scouts volunteered their time on Saturday at the Gorham Conservation Commission Tannery Preserve. Decking replaced on 2 bridges and they replaced a rotting boardwalk w/ rock armor.
Big thanks for making the trails better!
09/11/2026
Heads up- there's a XC running race at Narragansett school in Gorham on Sat 9/12 from 8-2. The connector trail to Hamblen; from Tannery trail head to Libby Ave will be closed during the race.
A good alternative is to access the trails from the North entrance. Park at the Little Falls Activity Center.
09/10/2026
Exciting project is kicking off at the bike park in Gorham! We're rebuilding, improving, and expanding the jump lines. We're hiring a Pro builder; Max Southam w/ Mount Abram will take the wheel and help bring Lavoie Bike Park to world class status.
We owe a huge thanks to all the GPNEMBA volunteers that have put time and energy into the jumps, and we're grateful to have that ongoing support.
Work started today- the jumps are closed until further notice. We're targeting an early Oct open date.
08/24/2026
08/17/2026
Tonight (Monday 8/17)! Our August womens' ride is designed for women-identifying riders who bike singletrack trails regularly and are comfortable with moderate climbs, descents and some technical features like roots and rocks. Expect 5-7 miles at a moderate pace. Whether you're a newer or an experienced rider, there's something for everyone at this ride. Connect with fellow riders and explore the trails.
GPNEMBA Women’s Ride - Blackstrap Join us on Blackstrap Trails for a fun and empowering women's mountain bike ride with GPNEMBA.
08/14/2026
Lower Riptide is (finally) on Trailforks!
Portland Trails
https://www.trailforks.com/trails/lower-riptide/?fbclid=IwY2xjawTsTQNwZG9mAWV4dG4DYWVtAjExAGJyaWQRMWRFdXNocHhOWU1URHJKeU9zcnRjBmFwcF9pZBAyMjIwMzkxNzg4MjAwODkyAAEeGmKLLQpjXBUQU3k0EJKHmZ40lSvVSF-IxFQPcxi3N9mUUoXhVegLPnyJkwY_aem_yGDwygMXXQBDtyEMML85Eg
Lower Riptide Trail at Fore River lower Riptide is a machine-built MTB-specific flow trail built by Greater Portland NEMBA & Maine Trail Builders in 2026, in partnership with Portland Trails. It's adaptive...
Checking in from Upper Riptide! has been chomping away in this dry weather and is nearly finished. We’re hoping to open this trail too to bottom in another week or two! In the meantime, excited to announce that Dan Legere is the winner of our $1,000 gift card raffle with . Dan well be reaching out over email shortly! Thanks everyone for helping us raise $2,200 towards finishing upper Riptide with the absolute best features possible. Can’t wait to open this whole trail soon!
08/10/2026
New trails diversify outdoor recreational network in Windham
https://news.thewindhameagle.com/2026/08/new-trails-diversify-outdoor.html
Windham Parks & Recreation
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