The Pskov Krom occupies a narrow promontory where the Pskova River flows into the Velikaya — a naturally defended site that was fortified from the 10th century onward. What stands today is a product of centuries of construction and repair: massive stone walls up to 6 metres thick, towers at irregular intervals, and at the heart of it all, the great Trinity Cathedral, whose gilded domes are visible from almost anywhere in the city.
The outer walls stretch for nearly a kilometre around the citadel. You can walk sections of the battlements and explore the towers, most of which are well-preserved. The site is UNESCO-listed as part of the group of medieval churches of Pskov, and it genuinely earns that designation — this is not a restored reconstruction but a living medieval building that has been in continuous use for over a thousand years.