CastellAlta is located in San Pietro di Feletto (TV) and is a production reality of the Conegliano Valdobbiadene Prosecco Superiore DOCG denomination whose hills have recently been recognized as a UNESCO World Heritage Site.

The awareness of having in their hands a natural, landscape and environmental heritage now universally recognized, has led the company to evaluate the possibility of transforming the grapes harvested from the different vineyards located in the area of ​​the property and rental denomination, into sparkling wine . The management of the vineyards, mainly in San Pietro di Feletto and Solighetto, follows the rules of advanced integrated production in other words, agronomic techniques close to organic farming are favored. As for winemaking, given the pedological and microclimatic peculiarities of the individual vineyards, the company uses protocols designed to maintain the typicality of the production areas, thus outside the logic of product standardization.

By choice, the company produces only wines with Controlled and Guaranteed Designation of Origin - DOCG - the production is divided into three types:

Conegliano Valdobbiadene Prosecco Superiore DOCG Extra Dry
Canago , Conegliano Valdobbiadene Prosecco Superiore DOCG Brut,
‘Ergine, Conegliano Valdobbiadene Prosecco Superiore DOCG Millesimato 2019 Extra Brut

All production is certified with the National Integrated Production Quality System (SQNPI) following the most restrictive directives of the local authorities and the "Consorzio di Tutela del Conegliano Valdobbiadene Prosecco Superiore DOCG".