Nestled in the heart of County Down, Northern Ireland, One Great Adventure offers an exhilarating escape into nature and adventure. This premier outdoor activity center, located within the stunning grounds of Castlewellan Forest Park, provides a unique blend of natural beauty and thrilling activities suitable for all ages and abilities. Whether you’re a seasoned adventurer or looking for a fun day out with family and friends, One Great Adventure promises an unforgettable experience amidst some of Northern Ireland’s most breathtaking landscapes.

Welcome to One Great Adventure

Upon arrival at One Great Adventure, visitors are greeted by the majestic backdrop of Castlewellan Forest Park, home to one of the world’s most famous arboreta and the captivating Castlewellan Lake. The center offers a wide range of activities designed to challenge, entertain, and inspire. From high-octane mountain biking trails to serene canoeing on the lake, there’s something for everyone. Experienced instructors are on hand to guide you through each activity, ensuring your safety while encouraging you to push your limits.

What makes One Great Adventure unique compared to other outdoor activity centers?

One Great Adventure sets itself apart by its stunning location within Castlewellan Forest Park in Northern Ireland, offering not only a wide range of thrilling activities but also immersing visitors in breathtaking natural beauty. Its combination of adventure sports with scenic surroundings provides an unparalleled experience.

Activities for Everyone

One Great Adventure boasts an impressive array of outdoor activities. Adrenaline seekers can tackle the mountain bike trails that wind through the forest park, offering varying levels of difficulty to cater to all skill levels. For those who prefer water-based adventures, canoeing and kayaking on Castlewellan Lake provide a peaceful yet invigorating experience. The center also features archery ranges and rock climbing walls for visitors looking to try something new or hone their skills in these disciplines.

Team Building and Group Events

Beyond individual adventures, One Great Adventure specializes in hosting team-building events and group outings. Their expertly designed programs aim to foster teamwork, communication, and leadership skills among participants through engaging outdoor challenges. These events are perfect for corporate groups, school trips, or even families seeking a unique bonding experience.

Nature at Its Best

The setting of One Great Adventure within Castlewellan Forest Park is nothing short of magical. Visitors can explore the park’s extensive network of walking trails that lead through lush forests and around the scenic lake. The Peace Maze, one of the world’s largest permanent hedge mazes, offers a fun-filled challenge that symbolizes Northern Ireland’s journey towards peace and reconciliation.

Planning Your Visit

To make the most out of your visit to One Great Adventure, it’s recommended to book activities in advance as they can fill up quickly during peak seasons. The center is open year-round but operating hours may vary depending on the season and weather conditions. All necessary equipment is provided for each activity; however, visitors should come prepared with appropriate clothing and footwear suited for outdoor adventures.


  • Located in Castlewellan Forest Park with stunning natural scenery
  • A wide range of activities including mountain biking, canoeing/kayaking,

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