Keep up the great work. You all are awesome!

Thank you for making our trails possible. 

SORBA rocks!!  Thanks for all you do for us!! 

SORBA Orlando is awesome & I've seen first hand how impactful having equipment like this has done to help maintain trails near me in Pisgah Nat'l Forest.

Thank you, SORBA, for all the great work and effort you all put into keeping our trails in shape and exploring new options.
Thank you from the heart!

In honor of Bill Peloquin.  Hoping for a speedy recovery. 😇

Thank you for all the hard work you guys do.

I am happy the park is available for all to enjoy!

SORBA Orlando is the Orlando/Central Florida chapter of the Southern Off-Road Bicycle Association.

Founded in 2013, SORBA Orlando has grown to include eight distinct and fun trails in and around Orlando and its suburbs, with more trail miles on the way!  SORBA Orlando trails offer everything from family-friendly places to ride, endurance bike races and time trials, skills-building sections, and opportunities to give back to the community.

By partnering with the community SORBA Orlando builds and maintains our local trails. Your support goes directly to materials, workday essentials, and training needed to keep the area rolling in a fun, sustainable and safe environment.

We bring several events to the community including the annual Take a Kid Mountain Biking Day and have sponsored The Battle of Snow Hill and Markham Woods Masher endurance races for several years.

\*\* We now offer the opportunity to donate to SORBA Orlando and/or donate to a specific trail. There are eight trails that we maintain and eight trail options to donate to. 

Build! Ride! Learn! Engage! Get involved!

SORBA Orlando

Southern Off Road Bicycle Association is a nonprofit organization focused on recreation, sports, leisure, or athletics. It is based in Roswell, GA. It received its nonprofit status in 1901.

Roswell Alpharetta Mountain Biking Organization (RAMBO)

Connecting community trails, creating a park, and protecting the Rose Creek watershed for the benefit of all.

The Rose Creek Initiative officially formed in 2004 as a group of neighbors advocating to create a small community park in an overlooked and under appreciated corner of the Capitol View Neighborhood. The group's goals also including connecting the park to the neighborhood with a walking trail and cleaning up Rose Creek at the east edge of the Capitol View. The Rose Creek Initiative officially became a 501c3 in 2022.

Rose Creek Initiative

Southern Off-Road Bicycle Association is a nonprofit organization focused on recreation, sports, leisure, or athletics. It is based in Cary, NC. It received its nonprofit status in 2001.

Triangle Off-Road Cyclists (TORC)

Nonprofit, member-based organization conserving special places for everyone to enjoy. The voice for parks & trails at the MN Capitol.

Parks & Trails Council of Minnesota

We are a nonprofit dedicated to protecting and advocating for California's 280 state parks. CSPF is your voice for parks.

With over 130,000 members, CSPF is the only statewide independent nonprofit organization dedicated to protecting, enhancing and advocating for California’s magn…ificent state parks. Since 1969, CSPF has raised more than $223 million to benefit state parks. CSPF is committed to improving the quality of life for all Californians by expanding access to the natural beauty, rich culture and history, and recreational and educational opportunities offered by California’s 280 state parks—one of the largest state park system in the United States.

California State Parks Foundation

Southern Off-Road Bicycle Association is a nonprofit organization focused on recreation, sports, leisure, or athletics. It is based in Evans, GA. It received its nonprofit status in 2001.

This is your chance to support more trails close to home.  Help our dedicated volunteers maintain, protect, preserve, and promote over 100 miles of trails in the Central Savannah River Area!

SORBAcsra (Augusta Aiken Central Savannah River Area)

Since 1989, SORBA has worked to create, enhance, and preserve great mountain experiences in the Southeastern United States.

**Support Trails. Support Community.**

At SORBA, we believe everyone should have access to the mental, physical, and social benefits that mountain biking provides. Every trail we help build, maintain, and advocate for is a step toward stronger communities, healthier people, and more connection with the outdoors.

Your donation helps power this mission across the Southeast—fueling local chapters, supporting volunteers, and expanding access to public lands through sustainable trail systems.

Whether you ride, hike, run, or simply believe in the value of outdoor spaces, your support makes a lasting impact.

**Donate today and be a part of the movement to build trails and community—together.**

Southern Off-Road Bicycle Association (SORBA)

Friends of Stewart Park, with the City of Ithaca, revitalizes and maintains Stewart Park and the Cayuga Waterfront Trail. 

Friends of Stewart Park (FSP) works in partnership with the City of Ithaca, the Wharton Studio Museum, and local community members and organizations to restore Stewart Park’s historic buildings, upgrade park facilities, and support enhanced maintenance. Our work ensures that Stewart Park remains a place where everyone can enjoy the natural beauty of the park; to play, exercise, or celebrate while feeling welcome, accessible, comfortable and safe. FSP achieves this by planning, designing, implementing, and fundraising for a variety of projects that are designed to enhance accessibility and inclusion, encourage a diversity of users, increase biodiversity, and increase sustainability. Projects include building a new inclusive playground, splash pad and bathroom, restoring historic buildings and structures, improving the historic carousel, creating wayfinding and interpretive signage for the park, organizing volunteers, planting and maintaining gardens and much more. 

Friends Of Stewart Park Inc

Upstate SORBA is a nonprofit in Greenville, SC, that promotes recreation and outdoor advocacy. Established in 1991.

Upstate SORBA

NE GA SORBA is a non-profit maintaining approximately 110 miles of multi-use trails across 10 counties in northeast Georgia.

Northeast Georgia SORBA began in 2014. We were the first “regional” chapter in SORBA. We were created from the merger of Gainesville SORBA and UC3 SORBA.  Gainesville SORBA was the first SORBA chapter created in the mid 1990’s so we have a long history in advocating and building mountain-bike and multi-use trails. We work with local, state and federal land managers in northeast Georgia to provide mountain bike access on their land.

Northeast Georgia SORBA

Northwest NC MTB Alliance is a SORBA Chapter

**Northwest NC MTB Alliance is a chapter of SORBA, the largest nonprofit mountain biking organization in the Southeastern United States.** – promoting land access, trail preservation, and new trail development on federal, state, and local lands in our region. We operate in the geographic area of Northwest NC’s mountains and foothills, including the communities of Boone, Hickory, Lenoir, Marion, Morganton, and Wilkesboro. As a subordinate chapter of SORBA, the Alliance is a non-profit organization.

Northwest North Carolina MTB Alliance

Join us in exploring and building AI for the common good.

Check out what your support makes possible at allenai.org. 

The Allen Institute for AI (Ai2) is a leader in the field of AI, and our mission is to contribute to humanity through high-impact AI research, engineering, and applied technologies. Transparency, accessibility, and collaboration are at the core of our work. As a nonprofit organization, we are able to take on research endeavors that universities can’t and private corporations won’t. 

Founded in 2014, Ai2 is the largest 501c3 nonprofit AI2 research organization in the world. Our team is composed of 200+ world class AI researchers and engineers from around the globe, centered around our Seattle offices where collaborative problem solving drives our impact-related efforts. 

From making AI more accessible to underrepresented communities to protecting wildlife and our oceans, we have several teams at Ai2 taking on some of the world’s biggest challenges.

Aristo: Building systems that can successfully interact with users and demonstrate a deep understanding of the world

AllenNLP: Improving natural language processing systems’ performance and accountability, developing state of the art models, datasets, and tools

PRIOR: Seeking to advance computer vision to create AI systems that see, explore, learn, and reason about the world

Semantic Scholar: A free, AI-powered research tool for scientific literature, accelerating scientific breakthroughs by providing a better way to discover new knowledge and key insights

Climate Modeling: Creating faster, more efficient, modernized open-source models to advance the important research into global climate model projections

EarthRanger: A free software solution that aids protected area managers, ecologists, and biologists in making more informed operational decisions for wildlife conservation

Skylight: A platform that helps improve maritime transparency and combat illegal fishing by surfacing suspicious events and providing actionable intelligence to protect our oceans

Wildlands: Delivering AI-backed tools that improve the health and resilience of our wildlands by supporting fire management

Allen Institute for AI (AI2)

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I appreciate the work these organizations do.  We have some of the best trails in the region.

founder @ camp.org, expa.com, uber.com & mix.com

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SORBA Orlando

SORBA Orlando

SORBA Orlando

Roswell Alpharetta Mountain Biking Organization (RAMBO)

SORBA Orlando

Rose Creek Initiative

Parks