01 The problem of the ridge
Saint George’s has two waterfronts and a ridge in between. On the east side is the Carenage, the inner harbour where ships dock; on the west, the Esplanade and the market, the commercial part facing the open bay.
Between them rises the high ground crowned by Fort George. For two and a half centuries, moving a load from one side to the other meant going around the ridge or over it, with animal-drawn carts and steep gradients. For a port town, it was a daily bottleneck.
02 Six years of on-and-off work
The solution was to go through the ridge underneath. The work advanced in fits and starts over some six years, with pauses, and the tunnel opened officially in 1895. It carries the name of Walter Sendall, who had been governor of the colony.
It was cut through volcanic rock, the same material the ridge is made of and the one the town’s walls were built from after the eighteenth-century fires. For an island this size and that period, it was a considerable feat of engineering.

03 Measured for horses
It runs a little over a hundred metres and was sized for what had to pass through in 1895: horse-drawn carriages. Hence its narrow section and low ceiling, which today are tight for any modern vehicle.
The result is that it works as a single shared lane. Cars go in one at a time, delivery vans think twice, and anyone on foot presses against the wall and waits. Nobody has widened it, and that is part of the charm.
04 What it means today
A hundred and thirty years on it is still the most direct link between the town’s two halves, and still in daily use. It is not a preserved attraction or a museum relic: it is living infrastructure solving the same problem it was made for.
And it explains something of the place’s character. In a town this small and this constrained by relief, the solution was not to remake the topography but to bore through exactly as much as necessary. The rest of the town, in fact, works on the same principle: stairways, retaining walls and diagonal streets.

05 How to cross it
You cross it on foot in two minutes and there is nothing to pay: it is just another street. Enter from the Carenage side and come out at the market, or the reverse; either way you pass from harbour atmosphere to commercial atmosphere in the time it takes to get through the ridge.
Do it mid-morning, when fewer vehicles pass. And bear in mind that there is no comfortable room for you and a car at the same time: when you hear one coming in, move against the wall and let it through. That is the local protocol and everyone applies it without fuss.
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