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Merrimack County

Blackwater Flood Control Reservoir

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Blackwater Flood Control Reservoir

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The Blackwater Flood Control Reservoir, located in Webster and Salisbury, Merrimack County, New Hampshire, is a unique natural area centered around the Blackwater River. Unlike a typical lake, this is a seasonal flood-control reservoir, meaning it is usually dry and only fills with water during periods of heavy rain or snowmelt. Situated at an elevation of approximately 163 meters (535 feet), it plays a vital role in managing flood risk within the broader Merrimack River Basin.

Visitors particularly appreciate the…

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    December 31, 2023

    Cycling

    This stretch of road finds you pedaling through a mix of hardwood and pine forest — part of the large tract of open space reserved for flood control along the Blackwater River.

    January 29, 2024

    Road cycling

    This stretch of road finds you pedaling through a mix of hardwood and pine forest — part of the large tract of open space reserved for flood control along the Blackwater River.

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    Elevation 160 m

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    Max wind speed: 15.0 km/h

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    Location: Merrimack County, New Hampshire, United States

    Frequently Asked Questions

    Are there specific trails suitable for beginner hikers or families with young children?

    Yes, the Blackwater Flood Control Reservoir offers many multi-use trails that are generally considered easy and suitable for beginners and families. While specific named trails aren't detailed, the extensive network across 3,600 acres provides numerous options for leisurely walks through hardwood and pine forests. Look for trails around the designated recreation areas like Burbank Mills, Cogswell Road, and Peter's Bridge, which often have gentler terrain.

    What are the options for horseback riding at Blackwater Flood Control Reservoir?

    The area features miles of multi-use trails, including scenic horse trails, particularly around the Cogswell Recreation Area. These trails wind through the diverse landscape of forests and fields, offering a pleasant experience for equestrians.

    Are dogs allowed on the trails at Blackwater Flood Control Reservoir?

    While not explicitly stated in all regulations, generally, dogs are welcome on trails in flood control areas like Blackwater, provided they are kept on a leash and owners clean up after them. It's always a good practice to check for any posted signage at trailheads for specific local rules.

    What kind of wildlife can I expect to see, and where are the best spots for wildlife viewing?

    The diverse mix of forests, fields, and streams provides habitat for a wide range of wildlife. Visitors frequently spot deer, fox, turkey, and various bird species. More elusive animals like bear, moose, beaver, and otter are also present. The entire 3,600-acre area offers opportunities for wildlife viewing, particularly along the Blackwater River and in quieter forested sections away from main roads.

    Are there any specific viewpoints or natural features to look out for besides the river?

    Beyond the meandering Blackwater River, the primary natural features are the extensive hardwood and pine forests that cover the 3,600-acre flood control area. The earthen dam itself, standing 69 feet high and 1,150 feet long, is a significant man-made landmark. While there aren't designated 'viewpoints' in the traditional sense, the varied forest landscape and the river's course offer many scenic spots for appreciation.

    What are the winter activity options at Blackwater Flood Control Reservoir?

    During the colder months, the Blackwater Flood Control Reservoir transforms into a winter playground. Snowmobiling is a popular activity, with trails often groomed or accessible for this purpose. Cross-country skiing and snowshoeing are also excellent ways to explore the quiet, snow-covered landscape.

    Do I need a permit for fishing in the Blackwater River?

    Yes, fishing in the Blackwater River, which is stocked with brown and rainbow trout, requires a valid New Hampshire fishing license. These can typically be purchased online or from authorized vendors throughout the state. Always check the latest regulations from the New Hampshire Fish and Game Department before you go.

    How long does it typically take to hike the trails around the reservoir?

    The time it takes to hike depends entirely on the chosen route and your pace. With miles of multi-use trails available, you can opt for short, leisurely walks of an hour or less, or combine sections for longer excursions lasting several hours. Since many trails are not specifically marked for length, it's best to plan your route based on your desired duration and fitness level.

    Are there any cafes, pubs, or accommodation options near Blackwater Flood Control Reservoir?

    The Blackwater Flood Control Reservoir is situated in a more rural area, so immediate amenities like cafes, pubs, or dedicated accommodation are limited. For dining and lodging options, visitors would typically need to travel to nearby towns such as Webster, Salisbury, or larger communities like Concord, which is approximately 18 miles southeast.

    What is the historical significance of the Blackwater Dam?

    The Blackwater Dam, constructed between 1940 and 1941 by the U.S. Army Corps of Engineers, holds significant historical importance as a key flood control project in the Merrimack River Basin. Authorized by the Flood Control Act of 1938, its primary purpose is to protect downstream communities in New Hampshire and Massachusetts from flooding. It has prevented an estimated $77.4 million in flood damages as of 2011. Notably, local citizens successfully opposed plans in the 1960s and 70s to expand its use for a permanent recreational lake and hydropower, ensuring it remained primarily a flood control structure.

    Is public transport available to reach Blackwater Flood Control Reservoir?

    Public transport options directly to the Blackwater Flood Control Reservoir are generally not available. Visitors typically access the area by private vehicle. There are numerous parking opportunities near recreation spots like Burbank Mills, Cogswell Road, and Peter's Bridge.

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