Ciénaga Alta is a barrio in the municipality of Río Grande, Puerto Rico.

Barrios (which are, in contemporary times, roughly comparable to minor civil divisions)[13] in turn are further subdivided into smaller local populated place areas/units called sectores (sectors in English).

[14][15][16] The following sectors are in Ciénaga Alta barrio:[17][18] Camino Mayagüeces, Comunidad Campo Alegre, Parcelas Malpica, and Urbanización Luzbella.

Lilium, a small fragrant flower, has been cultivated in Ciénaga Alta for generations.

[19] The Nathaniel (Taín) Ramos González mini-stadium is a small baseball stadium located in Ciénaga Alta.