Mårten Trotzigs gränd, alley in Gamla stan, Stockholm, Sweden
Mårten Trotzigs gränd is a narrow pedestrian passage in Stockholm's old town that measures only about 3 feet (90 centimeters) wide at its narrowest point. Historic stone and wooden facades line both sides as the passage runs between older residential buildings.
The passage formed during the medieval period as a practical shortcut between larger streets in the old town. It retained its original shape through centuries even as surrounding buildings were rebuilt and modified multiple times.
The passage is named after a 17th-century merchant whose legacy remains tied to this part of the city. The tight corridor and surrounding buildings show how people organized their lives and commerce in a dense urban space.
The passage is open and freely accessible year-round, though it can be slippery in wet conditions. The narrow width requires visitors to walk single-file, and it tends to be less crowded during off-peak hours.
This ranks among Europe's narrowest passages and attracts visitors curious about fitting through tight spaces. For many, reaching the narrowest point is a surprising moment when they grasp how literally cramped medieval urban planning was.
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