Vyborg Castle

Image of Vyborg Castle

Location: Vyborg Map

Constructed: 1293

 

Description

Vyborg Castle (Russian: Выборгский замок; Finnish: Viipurin linna; Swedish: Viborgs slott) is a medieval fortress on a small islet in Vyborg Bay, on the Karelian Isthmus in Leningrad Oblast, Russia. It stands as one of the few surviving medieval castles in Russia and served as the easternmost outpost and primary stronghold of the Kingdom of Sweden in the Karelian region for centuries. Its military and strategic importance in the late Middle Ages ranked second only to Stockholm. The castle controlled vital trade routes connecting the Gulf of Finland to inland waterways, lakes, and ultimately Lake Ladoga, while acting as a buffer against Novgorod (later Russian) expansion. The town of Vyborg (originally Viipuri) grew up around it, initially within its outer fortifications before expanding onto the mainland due to space constraints.

 

Transportation

Get in

Seeing Vyborg is possible as a day trip from St. Petersburg, or as a stopover on the Helsinki-St. Petersburg train line.

By plane
Saint Petersburg
Saint Petersburg has good plane connections.

By bus
Bus excursions depart St. Petersburg's Gostinyy Dvor on weekend mornings and cost about 700 rubles, returning to St. Petersburg in the evening, a total of about 10–11 hours.
International coach lines connect Vyborg to Helsinki, Turku, Lappeenranta and Jyväskylä in Finland. More information from Matkahuolto and Savonlinja.

By train
By train from St. Petersburg, express trains and local "elektrichka" trains depart from the Finlandskiy station. Express trains cost 182 rubles each way, and tickets can be purchased in advance or at windows 27-30 at the Finland station (not in the main hall) on the day of departure. Beware of long lines if you're attempting to purchase tickets shortly before the train departs. Elektrichka tickets are slightly cheaper for a longer ride and can be purchased in the main hall at Finlandskiy station on the day of travel only.
Express trains (with upholstered seats and a restaurant car) travel on the following schedule:
Train #7017 departs St. Petersburg at 08:05 and arrives Vyborg 09:54
Train #???? departs St. Petersburg at 12:51 and arrives Vyborg 14:42
Train #7038 departs Vyborg at 15:21 and arrives St. Petersburg 17:00
Train #???? departs Vyborg at 20:10 and arrives St. Petersburg 21:50
Elektrichkas (with wooden bench-seats and few amenities) run more or less throughout the day, and a sampling of their schedule is:
Departs St. Petersburg 08:10 and arrives Vyborg 10:44
Departs St. Petersburg 08:58 and arrives Vyborg 11:31
Departs Vyborg 15:34 and arrives St. Petersburg 18:00
The major international trains to Helsinki stop in Vyborg, although they are relatively expensive. The high-speed Allegro train travels between St. Petersburg and Helsinki, stopping in Vyborg.

 

By small cruiseliner
In the summer there are daily cruises from Lappeenranta in Finland down the Saimaa Canal to Vyborg operated by Saimaa Travel . If you are arriving and leaving Russia by ship from the same port and staying less than 72 hours you do not need a visa.

By yacht
See also: Boating on the Baltic Sea#Saimaa Canal, Boating on the Baltic Sea#Boating in Russia
You can make the same journey by small craft. As the town lies in the Vyborg Bay of Gulf of Finland, it is easily reachable by small craft also from the sea. With small craft you need visa and certain documents; check requirements in advance and follow procedures strictly.

By car
Vyborg is on the highway between St. Petersburg and the Finnish border and you can visit the city if you are driving by.

 

Get around

Vyborg is compact and walkable. Those in a hurry can take local bus #12 from the train station to the castle. City maps of Vyborg can be purchased at bookstores in St. Petersburg, at news kiosks at the Vyborg train station, and are sometimes sold at the Vyborg market ("rynok").

 

Hotels, motels and where to sleep

1 Hotel Atlantik, ul. Podgornaya 9 (close to the castle off a main street), ☎ +7 81378 2-47-76. Quiet, clean mid-range hotel with friendly and young English speaking staff. Breakfast included.
2 Bat Hotel, ul. Nikolaeva 3 (between Park Lenina and the Salakka-Lakhti Inlet), ☎ +7 81378 3-45-37. Known as "Letuchaya Mysh" in Russian is a mid-range hotel in the same class as the Atlantik.
3 Druzhba Hotel, ul. Zheleznodorozhnaya 5. Imposing pyramid structure on the inlet.

 

Restaurant, taverns and where to eat

1 Slavyanskaya Trapeza (Славянская Трапеза), Ulitsa Yuzhnyy Val, 4/2 (Just across the bridge from Vyborg Castle, in the buildings basement), ☎ +7 813 789-32-99. Serves moderately-priced Russian food, including excellent Chicken Kiev for about 200 rubles.
2 U Borkharda (У Борхарда), Ulitsa Podgornaya, 10, ☎ +7 931 336-63-63. Quite an extensive menu, including an excellent solyanka. Moderate to high prices in this rustic restaurant with kitsch decorations.
Restaurant NiKa at the Hotel Atlantik (Ul. Podgornaya 9). Prices are moderate to high.
Kruglaya Bashnya, a Russian restaurant inside the Round Tower. Not as expensive as you might expect for its prime location, but service is slow.

 

History

Pre-Swedish Origins and Founding (Pre-1293–1293)
Archaeological excavations in the 1980s revealed that a Karelian fortress predated the Swedish castle. The oldest occupation layers, found in the so-called Smith's Courtyard, included a man-made sand breastwork with timber posts, charred building remains, and evidence of a possible wooden tower. Artifacts like a bent sword date to 1130–1200, indicating a fortified Karelian settlement used for trade long before the Swedes arrived.
In 1293, during the Third Swedish Crusade (part of the broader Swedish–Novgorodian Wars), Swedish forces under Lord High Constable Torkel Knutsson (also spelled Torgils or Tyrgils Knutsson) conquered the area and burned the existing Karelian fort. Knutsson ordered the construction of a new stone castle on the islet in the innermost corner of Vyborg Bay to secure Swedish control over Karelia and protect trade routes. This marked the official founding of both the castle and the future city of Vyborg. The initial structure was a typical medieval hill castle with a powerful central keep (the precursor to St. Olaf's Tower) and surrounding walls.

Medieval Swedish Stronghold (1293–Late 15th Century)
The castle quickly became the administrative and defensive heart of Swedish Karelia. It was often treated as a near-autonomous margraviate (border province), with powerful governors from elite families granted large fiefs and incomes. Notable holders included Bo Jonsson (Grip), Christer Nilsson Vasa, Karl Knutsson Bonde (future King of Sweden), Eric Axelsson Tott, Knut Posse, Sten Sture the Elder, and others. These lords wielded significant independent power due to the distance from Stockholm.
The castle faced repeated sieges by Novgorodian (Russian) forces, including in 1294 and 1322. The 1323 Treaty of Nöteborg (also known as the Treaty of Oreshek) formally recognized Vyborg as Swedish territory, establishing the border along the Sestra River and ending immediate disputes—though tensions persisted.
In the 15th century, fortifications expanded significantly. The town received trade privileges in 1403 from King Eric of Pomerania. The first documented use of firearms in Finland occurred here in 1429. Further enlargements in the 1440s and late 15th century added towers and strengthened defenses. The castle's layout was irregular and quadrangular, centered on the massive St. Olaf's Tower (named after Norway's patron saint), which dominated the eastern hill of the islet. Outer defensive works followed the coastline.
The most famous event was the 1495 siege during the Russo-Swedish War (1495–1497). Under Governor Knut Posse, the castle endured a prolonged assault by Muscovite forces. On November 30 (St. Andrew's Day), a massive explosion—known as the "Vyborg Thunder" or "Vyborg Bang"—devastated the attackers. Legends attribute it to a deliberate gunpowder trap or divine intervention (a vision of St. Andrew's cross in the sky), causing panic and lifting the siege. This event became legendary in Swedish and Finnish lore.

16th–17th Centuries: Renaissance Expansions and Decline
Advancements in artillery prompted major upgrades in the 16th century under Gustav I of Sweden. Around 1547–1555, new bastions and outer fortifications (sometimes called the "Horned Fortress" or Hornwork) were added to counter gunpowder weapons. St. Olaf's Tower was heightened and reinforced (major work in 1561–1564). The main castle remained 3–4 stories tall in places, with thick stone walls blending Romanesque and early Gothic elements.
By the 17th century, as the Swedish border pushed eastward and Russian threats diminished, the castle fell into relative decay. It no longer received major investments.

Russian Conquest and Imperial Era (1710–1917)
During the Great Northern War (1700–1721), Tsar Peter the Great's forces besieged Vyborg in 1710. A combined land and naval operation (with a fleet of about 250 ships) bombarded the castle for weeks. Swedish commandant Magnus Stenbock (or Stenflycht) surrendered on June 13/24, 1710, due to ammunition shortages and breaches. Peter viewed the capture as essential for protecting his new capital, St. Petersburg. The 1721 Treaty of Nystad formalized the transfer of Vyborg and "Old Finland" to Russia.
Vyborg became the seat of the Vyborg Governorate (later Finland Governorate). In 1812, Emperor Alexander I incorporated it into the autonomous Grand Duchy of Finland within the Russian Empire, reuniting it culturally with the rest of Finland. The castle served military and administrative purposes. Extensive restorations in the 1890s gave it much of its present appearance, preserving its medieval core while adapting to 19th-century needs.

Finnish Independence, WWII, and Soviet Annexation (1917–Present)
After Finland's independence in 1917, Vyborg (Viipuri) became its second-largest and most multicultural city. The castle was part of independent Finland from 1917–1940 and again 1941–1944 (during the Continuation War). It suffered damage in the Finnish Civil War (1918) and later conflicts.
During the Winter War (1939–1940), the city was evacuated, and the Moscow Peace Treaty ceded it to the Soviet Union. Finland briefly retook Vyborg in 1941 but lost it permanently in the 1944 Vyborg–Petrozavodsk Offensive. The 1944 Moscow Armistice and 1947 Paris Peace Treaties confirmed the cession. The castle and town sustained heavy damage but survived. Post-war, the area joined the Karelo-Finnish SSR before transferring to Leningrad Oblast in 1944. Soviet resettlement and industrialization followed; the castle saw military use until the 1960s.
Since 1970, it has housed the Vyborg Castle State Museum (part of the Vyborg Regional Museum), with exhibits on medieval history, artifacts, and local culture. Restorations continue, including work on the tower and walls. Today, it is a major tourist site; visitors climb St. Olaf's Tower for panoramic views.

 

Architecture

Overall Layout and Site
The castle occupies the entire islet, with its main castle (upper/inner ward) sited on the highest eastern hill in an irregular quadrilateral (four-cornered) plan. Outer defensive works and a lower courtyard (sometimes called a zwinger or killing ground) follow the islet’s irregular coastline for maximum defensibility. The island’s natural granite outcrop forms the foundation, enhancing stability and elevation.

Key zones include:
Upper courtyard (paved inner bailey) — centered around the dominant keep.
Lower courtyard — enclosed by a perimeter defensive wall added in the 15th century, creating layered defenses.
Outer bastioned works — later additions hugging the water’s edge.

This island-and-coastline configuration funneled attackers into kill zones while allowing control of the vital strait linking the bay to inland trade routes toward Lake Ladoga.

Materials and Construction Techniques
Builders primarily used local wild stone—boulders and blocks of rapakivi granite (a distinctive red-gray Finnish granite)—laid in lime mortar, often with the flat side outward for a smoother face. Early walls and the tower base relied on massive fieldstone without mortar in the foundations; upper sections incorporated stronger mortar reinforced with boulders. In the 16th century, brick appeared in the upper tower levels and some facades for lighter, taller construction suited to artillery. Walls typically measured 1.5–2 meters thick (up to 4–4.5 meters at the tower base). Defensive features included merloned (crenellated) battlements and an original wooden suspended gallery (hoarding) around the perimeter for archers. Later modifications added granite-faced berms and earthworks.

St. Olav’s Tower (Pyhän Olavin torni / Sankt Olofs torn) — The Central Donjon
The Tower of St. Olav dominates the complex as the sole surviving original tower and the castle’s symbolic landmark. It served as the primary keep (donjon), housing living quarters, storage, a possible chapel, and later artillery.

Dimensions and structure: Rectangular base approximately 15.5 × 15.6 meters; base walls 4–4.5 meters (up to 5.3 meters in places) thick; total height 48.6 meters (about 159 feet). It rises 3–4 storeys in the lower sections (varying by level) with a taller upper reconstruction.
Original 13th-century design: Massive rectangular granite tower with a cellar (used for storage, cannonballs, and as a prison), ground-floor living spaces, and a crenellated top with wooden fighting gallery.
16th-century rebuild (1561–1564, under Eric XIV/Gustav Vasa era): The upper portion was dismantled to the second storey and rebuilt in brick—lower upper floors square, top three storeys octagonal for 360-degree artillery fire with cannon embrasures cut into 3-meter-thick walls. A lead-covered roof (imported from Stockholm) and royal “three crowns” arms over the gate completed it. A spiral stone staircase provided access.
Later changes: Fires (1834, 1856) and 1891–1894 restorations (by Colonel E. Lezedov) added a viewing platform with a metal ladder/granite stoop; interiors were modernized (e.g., beam ceilings replaced some vaults). The tower remains open to the public for panoramic views.

Walls, Additional Towers, Gates, and Buildings
Perimeter walls: 1.5–2 m thick, merloned, originally with wooden hoardings. The 1440s expansions (under Karl Knutsson Bonde) added a second wall creating the lower courtyard. By the late 16th century, granite-faced berms and a double-vaulted bastion (1605) with loopholes adapted defenses for cannon fire.
Other towers (mostly 15th century, square-plan except one): Paradise Tower (first round tower, added under Erik Axelsson Tott/Sten Sture); Fire Tower (later Commandant’s House); Watchtower; New Tower; Shoemaker’s Tower. These provided enfilading fire and integrated into the outer wall.
Gates and access: Main southern gate (later with drawbridge and gatehouse, 1568–1608); Water Gate toward the bay. The 1606–1608 governor’s dwelling (by Anthony Alsted) featured painted walls/ceilings, ceramic floors, and tiled stoves.
Other buildings: Main block (3–4 storeys, irregular); northern building; wine cellar; blacksmith’s courtyard (with earlier Karelian remains); stone barracks (17th century) along the northwestern wall; log houses and ponds/fountain. Interiors originally included vaulted spaces, tiled stoves, and wooden paneling on some walls.

Architectural Evolution and Defensive Features
13th century (1293): Basic Romanesque-style keep + perimeter wall on granite foundation—robust, massive forms for a forward outpost.
15th century (esp. 1440s–1470s): Major enlargement under governors like Karl Knutsson and Eric Axelsson Tott—added chambers, merloned walls, additional towers, and tiled stoves; early Gothic influences in refined details.
16th century: Gunpowder adaptations (trace italienne elements)—tower heightening for artillery, new bastions, coastal bulwarks.
17th–18th centuries: Gradual decay as borders shifted; used as garrison/prison.
1891–1894 restorations: Preserved exterior medieval character but updated interiors (new windows, beam ceilings, floor levels adjusted; medieval benches/fireplaces removed).
Defenses: Layered geometry (island position + outer/inner walls + towers) created enfilade and crossfire. Early firearms mentioned in 1429; the 1495 “Viborg blast” (mysterious explosion) aided defense. The design emphasized self-sufficiency with cellars and courtyards for mustering/logistics.

The castle blends Romanesque solidity with later Gothic and early Renaissance fortification updates, making it a rare intact example of Baltic medieval military architecture. Minor WWII damage occurred, but post-1964 museum restorations (including archaeological work) have maintained it. The irregular layout, thick granite construction, and adaptive tower reflect centuries of siege warfare and shifting borders between Sweden, Russia, and Finland.