Condado de Huelva winemaking has some curiosities and peculiarities that make it special and unique. Below are some of them:

1. Winemaking from overripe grapes: In Huelva County, it is common to use overripe grapes or raisins to make sweet, semi-sweet and generous wines. These grapes are picked and left to dry in the sun for several days, which concentrates the sugar and aromas in the skin.
2. Fermentation in oak barrels: In the production of some Condado de Huelva wines, such as orange wine, the oak barrel is used as a fermentation and aging container. This traditional method gives the wine notes of vanilla and toast.
3. Winemaking using the criaderas y soleras system: The criaderas y soleras system is a wine-aging technique used in Huelva County to produce generous wines such as fino and amontillado. This method involves mixing wines of different ages and aging them in barrels placed in different rows (criaderas) and levels (soleras) to obtain a homogeneous, quality wine.
4. Wines with D.O. Condado de Huelva: Designation of Origin Condado de Huelva, created in 1964, covers and protects the wines produced in the Condado de Huelva area. The wines that come under this D.O. they must meet a series of quality requirements and criteria that guarantee their origin and unique characteristics.
5. Fusion of tradition and modernity: Despite the fact that winemaking in Condado de Huelva has a long tradition, the area's wineries have been able to adapt to new production and marketing techniques, incorporating advanced technology in their processes without losing the essence and character of its wines.