Lake Sfânta Ana (Hungarian: Szent Anna-tó, meaning "Saint Anne Lake" in both languages) is the only crater lake in Romania, located in the crater of an extinct volcano, named Ciomatu Mare, in Eastern Carpathians, at an altitude of 946m. With an almost circular shape, similar to a painter's palette, has a length of 620m and a maximum width of 460m, an area of 19.50ha and a maximum depth of 6.4m. It is a complex reserve (natural, geological, floristic and faunistic), linked with Băile Tuşnad by trails.
The lake is supplied exclusively from precipitations, therefore the degree of mineralization of the water is very low. The water purity approaches of that of distilled water, with only 0.0029 ml mineral. In winter, the lake is covered with a layer of ice of up to 1m. The inside of the crater is characterised by vegetation inversion, due to the cool, humid microclimate of the crater. Spruce forests spread by the shore of the lake, while beech forests mixed with hornbeam grow on higher altitudes.
About the stamp
The stamp is part of the series Folk Art, issued on 1982.
References
Lake Saint Anne - Pro Szent Anna official website
Sender: Florea Ivănescu
Sent from Băile Tuşnad (Harghita / Romania), on 22.06.1988
Photo: Ştefan Andronache
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