
National Conservation Lands, formally known as the National Landscape Conservation System, is a 35-million-acre (140,000 km2) collection of lands in 873 federally recognized areas considered to be the crown jewels of the American West. These lands represent 10% of the 258 million acres (1,040,000 km2) managed by the Bureau of Land Management (BLM). The BLM is the largest federal public land manager and is responsible for over 40% of all the federal public land in the nation. The other major federal public land managers include the US Forest Service (USFS), National Park Service (NPS), and the US Fish and Wildlife Service (USFWS).

National Conservation Area is a designation for certain protected areas in the United States. They are nature conservation areas managed by the Bureau of Land Management (BLM) under the National Landscape Conservation System.

Bates-Morse Mountain, located in Phippsburg, Maine, is a conservation area owned by the Bates-Morse Mountain Conservation Area Corporation. The terrain encompasses salt marshes and beach, all lined by dense Maine woods. The entirety of the mountain extends from the Sprague River to the Morse River. Seawall Beach is also along the mountain towards the top. The beaches that stretch along the outline of the mountain, are privately owned but are occasionally used, with permission, by the greater public for research, and recreation.

The Blackstone Park Conservation District is a public, 45-acre woodland conservation area on the East Side of Providence, Rhode Island. It is run by the non-profit Blackstone Parks Conservancy in partnership with the Providence Parks Department. The park is situated on the west bank of the tidal Seekonk River, within the watershed and wildlife corridor of the Blackstone River Valley. Unlike many city parks, it is actively managed for the purpose of providing habitats for wildlife and supporting a healthy ecosystem for native flora and fauna.

Boyd Big Tree Preserve Conservation Area is a 949.49-acre (384.24 ha) Pennsylvania state park in Lower Paxton and Middle Paxton Townships, Dauphin County, Pennsylvania in the United States. The land for the conservation area was donated to the state by real estate developer Alex Boyd in 1999. Boyd Big Tree Preserve Conservation Area is a sanctuary for mature trees and an environment education study area. The park is on Blue Mountain just off Pennsylvania Route 443.

Joseph E. Ibberson Conservation Area is a 783-acre (317 ha) Pennsylvania state park in Middle Paxton and Wayne Townships, Dauphin County, Pennsylvania in the United States.

Varden Conservation Area is a Pennsylvania state park on 343 acres (139 ha) in Lake and South Canaan Townships, Wayne County, Pennsylvania in the United States. The conservation area is currently under development. The land was donated to the Commonwealth of Pennsylvania in December 2001 by Dr. Mead Shaffer a veterinarian and resident of Boothwyn, Pennsylvania in Delaware County. Dr. Shaffer stated his reason for donating the land, "Environmental education always has been a primary concern of mine. I trust this land will allow present and future generations to observe and study the diverse ecology found in the Varden Conservation Area." Varden Conservation Area is near the unincorporated village of Varden on Pennsylvania Route 296, east of the Lackawanna County line.