Mont Pellier, a little known valley in the centre of the parish
The coat of arms of the parish shows the Shield of the Trinity diagram.
The Parish church has a distinctive white pyramidal spire.
The Le Vesconte memorial (erected 1910) takes the form of an obelisk at a crossroads commemorating Philippe Le Vesconte (21 December 1837 - 21 August 1909) who was 10 times elected Constable between 1868-1877 and 1890-1909.
In folklore, the area of Bouley Bay has been reputed to be haunted by the Tchian d'Bouôlé (Black Dog of Bouley), a phantom dog whose appearance presages storms. The story is believed to have been encouraged by smugglers who wanted to discourage nocturnal movements by people who might witness the movement of contraband at the harbour in Bouley Bay.
Trinity is divided into the following vingtaines:
- Vingtaine de la Ville-à-l'Évêque
- Vingtaine de Rozel
- Vingtaine du Rondin
- Vingtaine des Augrès
- Vingtaine de la Croiserie
Trinity elects one Deputy
- 1532 Trinity trésor roll, a list of 16th Century residents of the parish