The vast majority of txakoli is made with white hondarrabi zuri grapes. Hondarrabi beltza is used for red txakoli, or added to white txakoli to produce a rosé.
Txakoli at Atari Gastroteka
Walk into any pintxo spot in San Sebastián, such as Atari Gastroteka, and you'll be greeted with a wall of green txakoli bottles.
The parral system, used at Etxaniz, keeps the grapes raised up and away from the humidity in the soil.
Txakoli Eukeni is in the Ayala Valley—it's very sunny and 40 kilometers from the sea. The txakoli produced here is a bit rounder-feeling than the wines made elsewhere, sometimes with a touch of bitterness.
The Getaria region is the oldest and largest txakoli D.O. It is located right on the Bay of Biscay.
Late Harvest Txakoli
I tried Bodegas Itsas Mendi's late harvest txakoli from 2008. The grapes are harvested in mid-November, compared to September or October. The wine is sweeter, darker in color, and reminiscent of Sauternes.