Cabrits National Park, National park with marine reserve and 18th-century garrison in Portsmouth, Dominica.

Cabrits National Park covers 1,313 acres (531 ha) on a peninsula north of Portsmouth, including a 421 ha marine area between Prince Rupert Bay and Toucar Bay. Its two peaks, East Cabrit (140 m) and West Cabrit (171 m), are the remains of the extinct Morne au Diable volcano. The park contains Fort Shirley, a Georgian garrison begun in 1765 with over 50 buildings, of which several are restored and others survive as ruins.

Fort Shirley was begun by the British in 1765 on the order of Governor Thomas Shirley, then enlarged by the French during their occupation of Dominica from 1778 to 1784. The Georgian outpost held over 50 buildings and more than 600 men. In 1802 it sheltered the revolt of the 8th West India Regiment of African slave soldiers, an event that contributed to the liberation of all slave soldiers on the island in 1807. The fort was abandoned in 1854; restoration began in 1982 under Dr. Lennox Honychurch, and the national park was created in 1986.

The name Cabrits derives from the French word for goats: sailors set goats loose on the peninsula so meat would be waiting on their return. Today the officers' quarters at Fort Shirley, restored in a major renovation, can be booked for weddings, receptions and concerts, and the Jazz'n'Créole festival is held at the fort every year.

The park offers several hiking trails of varying difficulty, some part of a longer-distance route that passes through different landscape types. Check locally which routes are currently accessible and what equipment makes sense depending on weather conditions.

The area was originally an extinct volcano standing as an isolated island before natural sediment accumulation connected it to Dominica's mainland. This geological joining remains visible in the site's topography today.