Trelew is an Argentine city in northeastern Patagonia that contains many monumental buildings belonging to Welsh immigrants who arrived in the 1980s, such as the simple red-brick Moorea Church, and the Pueblo de Luis Museum in the former railway station which contains pieces An archaeological site belonging to the Welsh settlers and the local indigenous people, and the Egidio Ferolio Fossil Museum, which includes exhibits of Patagonian dinosaurs, and Trelew is also a historical city, as it was from its beginnings a trading center linking different regions of the province. The best time to visit this city is between November and February.