Welcome to Winnekenni Park

Historical Background

Haverhill’s largest park, Winnekenni, is one of our most popular and well-known parks. The park boasts 700 acres and about 9 and a half miles of trails as well as a wide range of activities to enjoy from hiking and biking to more leisurely activities such as tennis and sledding. Originally the park was owned by Dr. James R. Nichols who bought the property in 1861 to experiment with chemical fertilizers. During a trip to England Dr. Nichols became inspired by the countries castles that he decided to create his own to use as a summer home. Construction began on the castle in 1873 and ended two years later in 1875. Another interesting fact about the castle is that when he was constructing the castle, Dr. Nichols used the local glacial boulders that were very common on New England Farms to try to prove to local farmers that the stones they constantly dug up could be used for more than just property lines. In 1895 the castle and the surrounding property was sold to the city of Haverhill and became the city's first public park.

Environmental Features

As glaciers moved across the land, they carried and deposited layers of clay, stone, gravel, and sand beneath their icy weight. Over time, these materials built up into smooth, elongated hills called drumlins. Shaped like half-buried eggs, drumlins are not only striking features of glacial landscapes but also valuable clues—revealing to scientists the direction in which ancient glaciers once flowed. The park is a prime example of Haverhill's distinctive glacial drumlins with clear evidence of glacial movement found throughout the park. Plug Pond Trail and Dudley Porter Trail both follow the base of a drumlin.

Large glacial boulders are also widely present throughout the landscape. Many of the boulders exhibit glacial polish, striations, and varied composition.

The diverse landscape of Winnekenni Park's nearly 400 acres of protected forest supports a variety of plant and wildlife species. Mixed oak species generally dominate the overstory along with hemlock, beech, birch, hickory, red maple, and pine. Blueberry, witch hazel, and viburnum are common shrubs throughout the understory, as well as unique species like great laurel (Rhododendron maximum) and young American chestnut saplings.

Copper beech trees line the trails near the Birchbrow Estate, admired for their striking purple-bronze foliage and impressive stature. Planted as ornamental specimens, these remarkable trees add timeless beauty and character to the landscape. Among the trees, visitors can see a mix of young growth trees from forest stewardship efforts and mature trees that once shaded open pasture and lined the Birchbrow Estate.

The park also plays host to a diverse range of wildlife such as Canada geese, blue heron, woodpeckers, deer, turtles, and mallards.