- Oil press still used for processing olive oil.
- The palatial home of the Marquesa de Armendáriz.
- Neoclassical fountain and washhouse.
- Festival of the "Marchos" on the eve of the holiday of La Inmaculada.
- Festivals in honour of San Acisclo and Santa Victoria in November.
- Festivals in honour of Nuestra Señora del Campo in September.
Lined with houses and mansions festooned with coats of arms, all the streets of Lanciego/Lantziego lead to the Parish Church of San Acisclo and Santa Victoria, dating from the end of the 16th century. The major feature of this church is its Renaissance altarpiece and Rococo choir with its beautifully carved pews and excellent Baroque organ, one of the oldest in the Basque Country.
Another of its major religious buildings is the 18th-century Chapel of Nuestra Señora del Campo, with its “Andra Mari”- type image of the Virgin Mary.
One of the most important civil buildings is the 18th-century Palacio de la Marquesa de Armendáriz, today the town hall.
Near the town hall, you will find the magnificent neoclassical fountain, washhouse and watering trough, and the birthplace of the composer Sebastián Iradier y Salaberri, known worldwide for the song “La Paloma”.
It is very interesting to visit the oil press, which is still used to process olive oil according to traditional methods.
Major attractions within the municipality include the Puente Mantible, in the village of Assa, the Parish Church of Nuestra Señora de la Asunción and the Fuente Medieval de Viñaspre.