Umbagog Lake

Umbagog Lake
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Name	Umbagog Lake
Caption	Lake view from Errol, New Hampshire
Location	Coös County, New Hampshire; Oxford County, Maine
Coordinates	44°58′N 71°04′W
Type	Freshwater reservoir and natural lake
Inflow	Androscoggin River, Magalloway River, Dead Cambridge River
Outflow	Androscoggin River
Basin countries	United States
Area	7,850 acres
Max-depth	18 ft
Elevation	1,199 ft
Islands	Moody Island, Birch Island

Umbagog Lake

Umbagog Lake is a large freshwater lake straddling the border of New Hampshire and Maine in the northeastern United States. The lake occupies parts of Coös County, New Hampshire and Oxford County, Maine, lying within a landscape shaped by glaciation and drained principally by the Androscoggin River. The lake is central to a regional network of protected areas, including state and federal parks and wildlife refuges associated with the Upper Connecticut River watershed and northeastern Appalachian Mountains conservation efforts.

Geography

The lake sits at the juncture of the Magalloway River and the Androscoggin River valleys, bordered by the towns of Errol, New Hampshire and New Meadows, Maine territory administered from Norway, Maine and proximate to the White Mountain National Forest. Its island-dotted basin includes prominent features such as Moody Island and Birch Island, and the surrounding topography includes ridges connected to the Mahoosuc Range and headwaters of tributaries that feed into the Kennebec River and Connecticut River systems. Regional access is provided via state routes connecting to Berlin, New Hampshire and Rangeley, Maine, and the lake lies within physiographic provinces studied by researchers from institutions such as the University of New Hampshire and the Maine Department of Inland Fisheries and Wildlife.

History

Pre-contact, the area was used seasonally by Abenaki and other Algonquian-speaking peoples who traveled regional waterways that linked to the St. Lawrence River corridor and inland hunting grounds near the Androscoggin River basin. European colonial activity increased after land grants by the Province of Massachusetts Bay and survey expeditions tied to New Hampshire and Maine proprietorship, bringing logging interests associated with families and companies documented in county histories of Coös County, New Hampshire and Oxford County, Maine. In the 19th and early 20th centuries, the lake’s shoreline supported logging drives tied to mills in Berlin, New Hampshire and transport routes linked to the Atlantic and St. Lawrence Railroad era. Conservation milestones include establishment of protected lands under the National Park Service-style state park systems and collaborations with the U.S. Fish and Wildlife Service to form contiguous wildlife management areas and refuges inspired by regional campaigns of the Nature Conservancy.

Ecology and Wildlife

The lake and its mosaic of wetlands, emergent marshes, and boreal forest support assemblages documented by researchers at the Smithsonian Institution, the New England Aquarium, and regional universities. Aquatic communities include populations targeted by Maine Department of Inland Fisheries and Wildlife and New Hampshire Fish and Game such as lake trout relatives and bass species; wetlands provide breeding habitat for waterbirds monitored by the Audubon Society and the U.S. Fish and Wildlife Service. Terrestrial species using adjacent timberlands and riparian corridors include moose, black bear, and furbearers studied in inventories conducted by the New Hampshire Fish and Game Department and Maine wildlife biologists. Rare plant communities and peatland ecosystems around the lake have been the focus of conservation work by the New England Wild Flower Society and botanical surveys tied to the Nature Conservancy.

Recreation and Tourism

The lake is a regional destination promoted through the visitor bureaus of Coös County, Oxford County, and the towns of Errol, New Hampshire and Shelburne, New Hampshire, with facilities managed by the New Hampshire Division of Parks and Recreation and the Maine Bureau of Parks and Lands. Popular activities include boating regulated under state navigational rules promulgated by New Hampshire and Maine authorities, fishing tournaments coordinated with Maine Department of Inland Fisheries and Wildlife and New Hampshire Fish and Game, and paddling routes featured by organizations such as the American Canoe Association. Seasonal tourism connects to regional events in Berlin, New Hampshire, fall foliage tours along routes to Rangeley Lakes and campsite management practices overseen by the National Park Service-inspired state parks network.

Hydrology and Water Management

Hydrologic control is governed by the lake’s role within the Androscoggin River watershed, with inflows from the Magalloway River and local tributaries affecting lake levels that historically influenced log drives to mills in Berlin, New Hampshire. Water-quality monitoring is performed by agencies including the U.S. Geological Survey, Maine Department of Environmental Protection, and New Hampshire Department of Environmental Services to track nutrient loads, turbidity, and invasive species reputed in regional assessments by the Environmental Protection Agency. Management strategies coordinate across interstate compacts and local municipalities, with conservation planning informed by studies from the University of Maine and the University of New Hampshire addressing watershed-scale sediment transport, wetland buffering, and climate change impacts on seasonal hydrology.

Category:Lakes of New Hampshire Category:Lakes of Maine Category:Protected areas of Coös County, New Hampshire Category:Protected areas of Oxford County, Maine