Highlight • Forest
Mountain biking
5.0
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Hiking
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Blydenburgh County Park is a sprawling 627-acre natural and historical gem located in Smithtown, Suffolk County, Long Island, New York. Situated at the headwaters of the Nissequogue River, this diverse landscape features richly forested hills, valleys, meadows, and wetlands, forming a vital part of the Long Island Pine Barrens ecosystem. With an elevation of approximately 15 meters, the park offers a serene escape about an hour east of New York City, blending natural beauty with significant historical landmarks.
Visitors consistently praise the park for its unique blend of outdoor recreation and historical immersion. Many are drawn to the lush hills and valleys surrounding the Nissequogue River, offering a tranquil setting for exploration. The historic mill district, featuring the 1798 "New Mill" and other charming structures, provides a fascinating glimpse into Long Island's past, making it a popular destination for those interested in local heritage.
Before visiting Blydenburgh County Park, it's helpful to know that the terrain varies from flat paths to moderate rolling hills, so comfortable footwear is recommended for hiking or trail running. The park is generally well-maintained, but checking local weather forecasts is always wise. Parking is readily available, and the park can be quite popular, especially on weekends, so arriving earlier in the day can help secure a spot. The park is also family-friendly and dog-friendly, with a dedicated dog park for furry companions.
The park offers a wide array of activities throughout the year, though many find spring and fall particularly appealing for hiking and cycling due to pleasant temperatures and vibrant foliage. Over 8 miles of multi-use trails cater to various interests, from leisurely strolls to more challenging rides. Whether you're interested in exploring the Blydenburgh County Park trails popular routes or seeking a dedicated BMX track, there are options for all activity levels.
While the iconic Stump Pond, also known as Blydenburgh Lake, has recently transformed into the Nissequogue River with visible stumps due to a dam break, the park still offers a 5.7-mile loop trail that historically circled the pond. This route now provides a unique perspective on the changing landscape, allowing visitors to witness the natural evolution of this significant waterway. The Blydenburgh County Park forest loop hike options remain a favorite for many.
Beyond the trails, visitors can immerse themselves in the park's rich history by exploring the Blydenburgh Farm and New Mill Historic District. Guided tours of the grist mill and the 1802 Miller's House offer a tangible connection to the past. Wildlife spotting is another highlight, with various bird species, deer, and turtles frequently observed, especially in the diverse ecosystems of the Long Island Pine Barrens.
With numerous routes available for hiking, cycling, and trail running, Blydenburgh County Park invites adventurers to discover its natural beauty and historical depth. You can explore a variety of Blydenburgh County Park trails on komoot, from easy family-friendly walks to more intermediate mountain biking paths. The park's integration into the Long Island Greenbelt Trail System also provides opportunities for longer excursions, ensuring there's always a new path to explore.
Tips
November 14, 2023
Hiking
February 12, 2024
Mountain biking

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Stump Pond, also known as Blydenburgh Lake, underwent a significant transformation in August 2024 when its dam broke. The lake has dissipated, leaving behind the narrow Nissequogue River and a field of tree stumps that were previously submerged. While the iconic 5.7-mile loop trail that historically circled the pond still exists, it now offers a unique perspective on this evolving landscape, allowing hikers and cyclists to witness the natural changes firsthand.
Yes, Blydenburgh County Park offers several family-friendly walks. While specific named trails for young children aren't detailed, the park's multi-use trails include scenic, flat paths that are suitable for leisurely strolls. The historic mill district also provides an engaging, easy walk with points of interest for all ages.
While the park is primarily accessed by car, located approximately an hour east of New York City, direct public transport options are limited. Visitors typically drive to the park. It's advisable to check local Suffolk County Transit routes for any bus services that might connect to the vicinity, though a final leg by taxi or ride-share might be necessary.
The park features diverse terrain, including forested hills and valleys. While some areas might be accessible, specific information on designated wheelchair-accessible paths is not readily available. Visitors requiring accessibility should contact the park directly for the most current information on suitable routes and facilities.
Blydenburgh County Park's diverse ecosystems, including wetlands and the Long Island Pine Barrens, support a rich variety of wildlife. Visitors frequently spot various bird species, such as waterfowl, red-winged blackbirds, orioles, and blue jays. Deer and turtles are also commonly observed, making it an excellent spot for nature enthusiasts and birdwatchers.
Blydenburgh County Park is dog-friendly and even features a dedicated two-acre dog park with separate areas for small and large dogs. When on trails outside the dog park, dogs must be kept on a leash and under control. Please remember to clean up after your pet to help maintain the park's natural beauty.
Blydenburgh County Park is located in Smithtown, which offers various amenities. You'll find a selection of cafes and restaurants in the surrounding towns. For accommodation, there are hotels and motels within a short driving distance. The park itself also provides tent and RV camping sites for those looking to stay overnight within the park's natural setting.
The fall season, typically from late September through October, is particularly appealing for experiencing vibrant fall foliage at Blydenburgh County Park. The diverse tree species within the forested hills and valleys create a beautiful display of colors, making it an ideal time for hiking and photography.
The park is home to the Blydenburgh Farm and New Mill Historic District, which is listed on the National Register of Historic Places. Key features include the 1798 grist mill (still standing and open for tours), the 1802 Miller's House, the c.1860 Farm Cottage, and the c.1820 Blydenburgh Farmhouse. These structures offer a unique glimpse into the region's pre-industrial history, with a museum open on weekends from May to October.
Given the park's varied terrain, which includes flat paths, moderate rolling hills, and wooded areas, comfortable and sturdy footwear is highly recommended. Dressing in layers is also advisable, especially during spring and fall, to adapt to changing temperatures. Checking the local weather forecast before your visit will help you prepare for specific conditions.
Camping at Blydenburgh County Park's tent and RV sites typically requires a reservation and may involve a fee. For activities like horseback riding, specific permits or registration might be necessary, especially if you are bringing your own horse. It's best to contact Suffolk County Parks directly or visit their official website for the most accurate and up-to-date information on permits and fees for all activities.