Castle Cornet

Located on a small rocky islet off Guernsey’s coast, Castle Cornet (also known as Cornet Rock) is one of the Channel Islands’ most impressive historical landmarks. This 800-year-old fortress has witnessed pirates, sieges, and even a devastating explosion – making it a must-visit for any traveler to Guernsey.

Getting to Castle Cornet

Castle Cornet sits at the entrance to St. Peter Port harbor, connected to the mainland by a causeway. You can easily walk there from the town center in about 10 minutes – just follow the seafront promenade south until you reach the castle entrance.

If you’re coming from further afield:

• By air: Guernsey Airport has regular flights from the UK and Europe
• By sea: Regular ferries connect Guernsey with England, France, and neighboring islands

When to Visit

The castle is open daily from April to October, 10am-5pm. During winter months (November-March), opening hours are reduced to 10am-4pm on weekends only.

Pro tip: Visit on a Sunday at noon to witness the firing of the castle’s noon-day gun – a tradition that dates back to the 19th century!

Ticket Prices & Packages

• Adults: £12
• Children (under 18): £5
• Seniors/Students: £10
• Family ticket (2 adults + 3 children): £30

Save money with the Heritage Pass (£20), which includes entry to Castle Cornet, Fort Grey, and the Guernsey Museum.

What to See Inside

The Five Museums

Castle Cornet houses five fascinating museums:

1. The Story of Castle Cornet – Learn about the fortress’s 800-year history
2. Maritime Museum – Explore Guernsey’s rich seafaring heritage
3. Royal Guernsey Militia Museum – Discover the island’s military history
4. 201 Squadron RAF Museum – Aviation exhibits from WWI to present
5. Royal Guernsey Light Infantry Museum – Commemorating Guernsey’s WWI regiment

Gardens

Four period gardens flourish within the castle walls:

• The Governor’s Garden
• The Lambert’s Garden
• The Sutler’s Garden
• The Master Gunner’s Garden

These beautifully maintained gardens provide a peaceful contrast to the fortress’s military history.

Must-See Castle Features

• The Keep – The oldest part of the castle, dating from the 13th century
• The Great Hall – Medieval banqueting hall with stunning harbor views
• Gunners’ Tower – Home to the noon-day gun
• The Hospital Building – Housing fascinating medical exhibits
• The Maritime Museum – With interactive displays on shipwrecks and smuggling

The Great Explosion of 1672

Don’t miss the exhibition about the castle’s most dramatic moment – the 1672 explosion when lightning struck the gunpowder magazine. The blast destroyed the Great Hall and killed seven people, including the governor’s wife and daughter.

Legend says the governor himself survived because he was in the bathroom at the time!

Hidden Gem: The Underground Tunnels

Few visitors know about the network of tunnels beneath the castle. Originally built for military purposes, some sections are open for exploration during special guided tours (book in advance).

Best Photo Spots

1. The top of the Keep – panoramic views of St. Peter Port
2. The Gunners’ Tower – frame your shot with the old cannons
3. The causeway – capture the castle rising from the sea
4. The gardens – colorful flowers against ancient stone walls

Nearby Attractions

Make a day of your visit by exploring these nearby spots:

• St. Peter Port – Guernsey’s charming capital with cobbled streets and boutique shops
• Victor Hugo’s House – Where the famous author wrote “Les Misérables”
• La Vallette Underground Military Museum – WWII tunnels and exhibits
• Candie Gardens – Victorian gardens with stunning views

Where to Eat

The Castle Café offers light meals, snacks, and refreshments with harbor views. Try their Guernsey Gâche (traditional fruit bread) with local butter!

For more substantial fare after your visit, head to:

• The Crow’s Nest – Seafood restaurant just 5 minutes’ walk away
• Christie’s – Traditional pub serving local ales and hearty food
• Le Petit Bistro – French-inspired cuisine using local ingredients

Tips for an Unforgettable Visit

1. Wear comfortable shoes – There are many stairs and uneven surfaces
2. Bring a jacket – It can be windy on the ramparts
3. Allow at least 3 hours – There’s a lot to see!
4. Check the events calendar – The castle hosts historical reenactments throughout summer
5. Download the audio guide app – For fascinating stories about the castle’s past

Best Time to Visit

Early morning or late afternoon offer the best light for photos and fewer crowds. If you’re visiting in summer, consider timing your visit with one of the regular historical reenactments or open-air theater performances.

Castle Cornet isn’t just a fortress – it’s a journey through centuries of Channel Island history, with stunning views and hidden stories around every corner. Whether you’re a history buff, garden lover, or just looking for a memorable day out, this island castle delivers an experience you won’t forget! / photo credit: Castle Cornet, Guernsey