Bannerman Castle
Castle · Beacon, New York
The ruined Scottish-style arsenal on POLLEPEL ISLAND in the Hudson, built from 1901 by FRANCIS BANNERMAN VI — a military surplus dealer who bought so much government ordnance that New York City made him move it off the mainland. ⚠ HE BUILT A CASTLE TO STORE IT IN, with his own name in enormous letters on the wall, and it has been a spectacular ruin since a 1969 fire and a 1920 powder explosion.
Pollepel Island, Beacon, New York, 12508, United States
⚠ SEASONAL AND BOAT-ACCESS ONLY. The 2026 season runs 1 MAY TO 1 NOVEMBER. Saturday, Sunday and holiday tours at 11:00, 12:30, 2:00 and 3:30, with additional Wednesday, Thursday and Friday day and evening tours. All tours depart the BEACON DOCK across from the Metro-North station on the MV Estuary Steward; the cruise is 25 minutes each way and the whole tour just over two hours. ⚠ $45 STANDARD; WEDNESDAY AND THURSDAY SUMMER TOURS ARE $40 AND INCLUDE THE GROTTO, unveiled in 2026 after more than thirty years inaccessible. ⚠ THE WALKING TOUR INVOLVES 72 STEPS, STEEP INCLINES AND ROUGH TRAILS; STROLLERS ARE NOT ENCOURAGED. ⚠ NO RESTROOMS AT THE DOCK OR TRAIN STATION.
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