Důl Trojice, Former coal mine in Slezská Ostrava, Czech Republic.
The mining complex includes preserved operational buildings constructed with clinker brick architecture along Těšínská Street opposite Podzámčí Street entrance.
Count Stanislaus Wilczek established this mining facility in 1844, which transformed from a shallow operation into a deep mine in 1870.
The location marks the first officially documented coal discovery in Ostrava from 1753, making it central to the region's industrial development.
The mine buildings remain accessible for exterior viewing, with the site located at coordinates 49.8342 latitude and 18.3025 longitude.
The mine commenced operations on Trinity Sunday and concluded its final activities on the same religious holiday, spanning from 1844 to 1964.
Location: Ostrava
Location: Slezská Ostrava
GPS coordinates: 49.83420,18.30250
Latest update: March 9, 2025 05:32
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