Elizabeth Castle and the causeway: how to time your visit

History & heritage3 August 2026 3 min read
Elizabeth Castle and the causeway: how to time your visit

Elizabeth Castle sits on a tidal islet in St Aubin's Bay. Getting there is half the experience — and getting the timing right matters more here than almost anywhere else in Jersey.


Elizabeth Castle is one of those places where the journey genuinely is part of the visit. It stands on a rocky islet in St Aubin''s Bay, a short distance from St Helier, and for part of each day you can simply walk out to it across the sand and causeway. For the rest of the day, the sea is in the way.

A castle built for a new kind of war

Mont Orgueil had defended Jersey since the thirteenth century, but by the late 1500s artillery had improved to the point where a tall medieval castle on a hill was more target than shield. A new fortress was needed — lower, thicker, and positioned to command the approach to St Helier.

The islet in St Aubin''s Bay was the obvious site, and the castle that grew there was extended repeatedly over the following centuries. It saw service during the English Civil War, was strengthened in the Napoleonic era, and was reworked again by German forces during the Occupation. Very little of it belongs to a single period, which is exactly what makes it interesting.

Getting there

There are two ways across.

On foot, across the causeway. When the tide is far enough out, a paved causeway and the exposed sand allow a straightforward walk from the shore near Elizabeth Place. It takes most people around twenty minutes at an unhurried pace.

By ferry. An amphibious vehicle operates when the causeway is covered, running between the shore and the castle. It is popular with families and anyone who would rather not judge the tide.

Timing, and why it matters

Jersey has one of the largest tidal ranges in the world. The sea does not creep in here; it advances across flat sand at a speed that surprises people every single year. The causeway is safe when it is open and dangerous when it is not, and the window between those two states is shorter than it looks.

Practical rules that serve visitors well:

  • Check the published crossing times for the day of your visit, not a general tide table you found earlier in the week.
  • Plan your return before you set out. Decide when you will leave the castle, and treat that as fixed.
  • If the causeway is already partly covered, do not start. Wait for the ferry.
  • Take a phone with charge, and do not rely on being able to walk back the way you came.

Jersey Heritage publishes the crossing and ferry information for each day. Use it.

Once you are there

The castle is spread out, and the walk between its sections is part of the pleasure. Look for the parade ground, the Victorian barracks, the German bunkers tucked into older stonework, and the Hermitage — a small chapel on the rocks associated with Saint Helier himself, reached by a set of steps that are worth the climb for the view alone.

Allow two hours. Allow more if the weather is kind and you want to sit somewhere high and watch the bay change shape.

History

The islet was a place of retreat long before it was a fortress. Tradition links it with Helier, the sixth-century hermit from whom the town takes its name, and a small chapel still marks the spot. A medieval abbey later stood on the rock, and its remains were absorbed into the defences that followed.

Work on the fortress itself began in the 1590s, when Mont Orgueil could no longer answer the threat of heavy artillery. Sir Walter Raleigh, appointed Governor of Jersey in 1600, is credited with giving the castle its name in honour of Queen Elizabeth I, and with pressing on with its construction.

Its most dramatic years came during the English Civil War. Jersey held for the King, and the future Charles II stayed on the island during the 1640s. The castle was defended by Sir George Carteret and held out against parliamentary forces for weeks before a sustained bombardment, which destroyed the old abbey church serving as a magazine, forced its surrender in 1651.

What followed was less dramatic but just as visible. Barracks, batteries and outworks were added through the eighteenth and nineteenth centuries as Britain and France circled one another, and German forces added concrete positions during the Occupation of 1940 to 1945. Today the site is cared for by Jersey Heritage, which is why a visit to Elizabeth Castle reads as a walk through four centuries rather than one.

Nearby

The walk back into St Helier takes you along the waterfront, past the marina and towards the town centre. It is an easy way to end the afternoon, and the contrast between the fortress and the modern harbour is a good one.

Explore it as a game

If you enjoy places that make you look twice, the Jersey Treasure Hunt uses GPS to guide teams to real island landmarks and unlocks a challenge at each one. It is designed to be played at walking pace, which happens to be exactly the right speed for a coastline like this one.

Continue exploring

Practical details such as opening times and prices change. Please check Jersey Heritage before you travel.

Turn Jersey into a game

The Jersey Treasure Hunt is a real-world GPS scavenger game. Gather a team, follow the map on your phone, and unlock challenges at landmarks like the ones in this article.

Start the Jersey Treasure Hunt