Laguna Hanson is a lake in the Sierra de Juárez in Baja California state of Mexico. The lake is located in Constitución de 1857 National Park at elevation.V.M. Ponce, R.P. Pandey, S. Kumar (1999)Groundwater recharge by channel infiltration in El Barbon basin, Baja California, Mexico. Journal of Hydrology, Volume 214, Issues 1–4, 1999, Pages 1-7, ISSN 0022-1694, https://doi.org/10.1016/S0022-1694(98)00220-0.
The lake provides a feeding, resting, and breeding area for at least 29 species of birds, including the migratory birds gadwall (Mareca streptera) and redhead duck (Aythya americana).
The lake and its floodplain was designated a Ramsar site (wetland of international importance) in 2020. The Ramsar site covers an area of 511 hectares.
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