Hatchet Hill
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Hatchett Hill, est. , is a
trap rock Trap rock, also known as either trapp or trap, is any dark-colored, fine-grained, non-granitic intrusive or extrusive igneous rock. Types of trap rock include basalt, peridotite, diabase, and gabbro.Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. ...
ridge located in
East Granby, Connecticut East Granby is a town in Hartford County, Connecticut, United States. The population was 5,214 at the 2020 census. History Original inhabitants of the current East Granby area were Native American peoples, including the Algonquin/Poquonock, th ...
, northeast of Hartford, Connecticut. It is part of the narrow, linear
Metacomet Ridge The Metacomet Ridge, Metacomet Ridge Mountains, or Metacomet Range of southern New England is a narrow and steep fault-block mountain ridge known for its extensive cliff faces, scenic vistas, microclimate ecosystems, and rare or endangered plants. ...
that extends from Long Island Sound near
New Haven, Connecticut New Haven is a city in the U.S. state of Connecticut. It is located on New Haven Harbor on the northern shore of Long Island Sound in New Haven County, Connecticut and is part of the New York City metropolitan area. With a population of 134 ...
, north through the Connecticut River Valley of
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
to the
Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to ...
border. The southern edge of the ridge plunges nearly 200 vertical feet (61 m) into the Tariffville Gorge. The ridge is known for its rugged topography, unique
microclimate A microclimate (or micro-climate) is a local set of atmospheric conditions that differ from those in the surrounding areas, often with a slight difference but sometimes with a substantial one. The term may refer to areas as small as a few squ ...
ecosystems, rare plant communities, and as a seasonal
raptor Raptor or RAPTOR may refer to: Animals The word "raptor" refers to several groups of bird-like dinosaurs which primarily capture and subdue/kill prey with their talons. * Raptor (bird) or bird of prey, a bird that primarily hunts and feeds on ...
migration path. It is traversed by the Metacomet Trail.


Geography

Roughly long by wide, Hatchett Hill is a collection of closely set tiered ridges and abrupt cliff faces with a high point of . Its southern end is cut with steep cliffs at the Tariffville Gorge where the
Farmington River The Farmington River is a river, U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 in length along its main stem, located in northwest Connecticut with major tributaries ex ...
gouges out a chasm between it and Talcott Mountain to the south. Also notable is ''Marsh Pond'', a glacial kettle pond nestled in the center of the ridge. From Hatchett Hill, the Metacomet Ridge continues north as Peak Mountain and south as Talcott Mountain. The northeast side of Hatchett Hill drains into the Connecticut River, thence to Long Island Sound; the rest of it into the Farmington River, thence to the Connecticut River.


Geology and ecology

Hatchett Hill, like much of the Metacomet Ridge, is composed of
basalt Basalt (; ) is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90 ...
, also called trap rock, a
volcanic A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates a ...
rock. The mountain formed near the end of the
Triassic Period The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ...
with the
rifting In geology, a rift is a linear zone where the lithosphere is being pulled apart and is an example of extensional tectonics. Typical rift features are a central linear downfaulted depression, called a graben, or more commonly a half-graben wi ...
apart of the North American continent from
Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
and
Eurasia Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago ...
.
Lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or un ...
welled up from the rift and solidified into sheets of strata hundreds of feet thick. Subsequent
faulting In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic ...
and
earthquake An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, fr ...
activity tilted the strata, creating the cliffs and ridgeline of Hatchett Hill. Hot, dry upper slopes, cool, moist ravines, and mineral-rich ledges of basalt talus produce a combination of
microclimate A microclimate (or micro-climate) is a local set of atmospheric conditions that differ from those in the surrounding areas, often with a slight difference but sometimes with a substantial one. The term may refer to areas as small as a few squ ...
ecosystems on the mountain that support plant and animal species uncommon in greater Connecticut. Hatchett Hill is also an important
raptor Raptor or RAPTOR may refer to: Animals The word "raptor" refers to several groups of bird-like dinosaurs which primarily capture and subdue/kill prey with their talons. * Raptor (bird) or bird of prey, a bird that primarily hunts and feeds on ...
migration path. (See
Metacomet Ridge The Metacomet Ridge, Metacomet Ridge Mountains, or Metacomet Range of southern New England is a narrow and steep fault-block mountain ridge known for its extensive cliff faces, scenic vistas, microclimate ecosystems, and rare or endangered plants. ...
for more information on the geology and ecosystem of Hatchett Hill).


Recreation and conservation

Although among the shortest of notable peaks along the Metacomet Ridge, the sharp topography of Hatchett Hill offers a number of scenic vistas culminating in the overlook atop the Tariffville Gorge. Hatchett Hill is traversed by the Metacomet Trail, (maintained by the Connecticut Forest and Park Association), which extends from the Hanging Hills of Meriden, Connecticut, to the Massachusetts border. The ridge is open to
hiking Hiking is a long, vigorous walk, usually on trails or footpaths in the countryside. Walking for pleasure developed in Europe during the eighteenth century.AMATO, JOSEPH A. "Mind over Foot: Romantic Walking and Rambling." In ''On Foot: A Histor ...
,
bird watching Birdwatching, or birding, is the observing of birds, either as a recreational activity or as a form of citizen science. A birdwatcher may observe by using their naked eye, by using a visual enhancement device like binoculars or a telescope, by ...
, snowshoeing and other passive pursuits. The ecosystem and ridgeline of Hatchett Hill are most threatened by development and quarrying. In 2000, Hatchett Hill was included in a study by the
National Park Service The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational propert ...
for the designation of a new
National Scenic Trail The National Trails System is a series of trails in the United States designated "to promote the preservation of, public access to, travel within, and enjoyment and appreciation of the open-air, outdoor areas and historic resources of the Nati ...
now tentatively called the
New England National Scenic Trail The New England National Scenic Trail (NET) is a National Scenic Trail in southern New England, which includes most of the three single trails Metacomet-Monadnock Trail, Mattabesett Trail and Metacomet Trail. After the Metacomet-Monadnock-Mattabe ...
, which would include the
Metacomet-Monadnock Trail The Metacomet-Monadnock Trail (M&M Trail) is a hiking trail that traverses the Metacomet Ridge of the Pioneer Valley region of Massachusetts and the central uplands of Massachusetts and southern New Hampshire. Although less than from Boston and ...
in Massachusetts and the
Mattabesett Trail The Mattabesett Trail is a long, hook-shaped blue-blazed hiking trail in central Connecticut and a part of the New England National Scenic Trail. One half of the trail follows the high traprock ridges of the Metacomet Ridge, from Totoket Mount ...
and Metacomet Trail trails in Connecticut. The East Granby Land Trus

has played an active part in the conservation of Hatchett Hill and its
viewshed A viewshed is the geographical area that is visible from a location. It includes all surrounding points that are in line-of-sight with that location and excludes points that are beyond the horizon or obstructed by terrain and other features (e.g. ...
.


See also

*
Metacomet Ridge The Metacomet Ridge, Metacomet Ridge Mountains, or Metacomet Range of southern New England is a narrow and steep fault-block mountain ridge known for its extensive cliff faces, scenic vistas, microclimate ecosystems, and rare or endangered plants. ...
* Adjacent summits:


References

* Farnsworth, Elizabeth J.
Metacomet-Mattabesett Trail Natural Resource Assessment.
2004. PDF wefile cited November 1, 2007. * ''Connecticut Walk Book: A Trail Guide to the Connecticut Outdoors.'' 17th Edition. The Connecticut Forest and Park Association. Rockfall, Connecticut. Undated. *
Raymo, Chet Chet Raymo (born September 17, 1936 in Chattanooga, Tennessee) is a noted writer, educator and naturalist. He is Professor Emeritus of Physics at Stonehill College, in Easton, Massachusetts. His weekly newspaper column ''Science Musings'' appear ...
and Raymo, Maureen E. ''Written in Stone: A Geologic History of the Northeastern United States''. Globe Pequot, Chester, Connecticut, 1989.
U.S. Congress ''New England National Scenic Trail Designation Act.''


External links


Connecticut Forest and Park Association

East Granby Land Trust
{{Mountains of Connecticut East Granby, Connecticut Metacomet Ridge, Connecticut Mountains of Connecticut Tourist attractions in Hartford County, Connecticut Landforms of Hartford County, Connecticut