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An eclectic-style building with a clock tower, built in 1922-23.
© OpenStreetMap contributors
An interesting, if random, collection of things detailing the city's Welsh history. It is located in the old train station: Sarmiento y 28 de Julio.
Trelew's oldest building is a small Welsh chapel built in 1899.
MEF
Museum with a fairly large collection of Patagonian dinosaur bones. Also serves as a research facility.
The pleasant, shady square hosts an old kiosk from 1910, built in commemoration of the May Revolution.
Trelew's main Catholic church, a nice building with historic and modern elements, built in 1960.
A fantastic little art gallery featuring local artists in the town square that is worth a short visit.