Morne Trois Pitons National Park

Where it sits. Morne Trois Pitons National Park covers roughly 7,000 hectares of the mountainous interior of southern Dominica, immediately inland from the capital, Roseau. It takes its name from the three-peaked volcano at its centre, which rises to 1,342 metres and is the island's second-highest summit after Morne Diablotins. Established in July 1975, it was the first national park legally created in Dominica and was inscribed as a UNESCO World Heritage Site in 1997 for its volcanic landscape and its forests. There are no settlements inside the boundary; the road ends at gateway villages, and everything beyond is walked.

What makes it unusual. This is one of the most concentrated displays of active volcanism in the Lesser Antilles. The Valley of Desolation is a bare, sulphur-stained basin of boiling mud pots, small geysers and streams running yellow, orange and grey; beyond it lies the Boiling Lake, a flooded fumarole roughly 60 metres across whose edges sit between 82 and 92 °C while the centre churns. Titou Gorge, at the park's Laudat edge, is a narrow slot where a stream runs between smooth walls barely wide enough for a swimmer, fed by a hot spring at its entrance. Emerald Pool, a waterfall dropping into a basin at the end of a fifteen-minute forest walk, is the accessible counterpart to all of this, and Freshwater Lake and Boeri Lake fill old craters at around 760 metres. The park's geology is described in three registers — volcanic cones, glacis slopes and soufrières — and its steep-sided hills and deep canyons feed every major river in the southern half of the island.

On screen. Dominica served as Pelegosto, the cannibal island of Pirates of the Caribbean: Dead Man's Chest (2006). Gore Verbinski chose the island for its sense of remoteness and brought the unit here on 18 April 2005, shooting until 26 May; the Pelegosto sequences and the forest portion of the Isla Cruces battle were both made on Dominica, with the giant bone cage and the rolling bone wheel built as practical props rather than digital effects. Titou Gorge, reached from Laudat at the park's edge, is the location most closely tied to the escape from the Pelegosto village, and it is now firmly on the island's tour circuit for that reason. Two details keep the record straight: the ruined church, graveyard and mill of Isla Cruces were built at Vieille Case in the far north of the island, and the beach where Sparrow, Turner and Norrington fight their three-way duel was filmed near Little Exuma in the Bahamas.

The forest. Vegetation zones stack with altitude: tropical rainforest with buttressed trees reaching 30 to 40 metres, dominated by Amanoa caribaea with several Sloanea species, Symphonia globulifera and Cecropia peltata; then montane forest; then dwarf, wind-clipped elfin woodland on the summits, thick with moss and bromeliads. Agouti, manicou, bats and small rodents live in the understorey. The birdlife is the real draw: four hummingbird species, the rufous-throated solitaire whose flute-like call carries through the cloud forest, and Dominica's two endemic parrots — the imperial amazon or sisserou, which appears on the national flag, and the red-necked amazon or jaco. The park is designated an Important Bird Area.

The walking. The Boiling Lake hike is the island's classic and its hardest day walk: about six hours return from Laudat, starting beside Titou Gorge, crossing the Breakfast River, climbing the ridge of Morne Nicholls and dropping into the Valley of Desolation before the final approach through steam. It is muddy, steep and exposed to weather, and a guide is strongly advised — hikers have been caught out by cloud, by heat in the valley and by the sheer length of the return. Shorter options include Freshwater Lake, Boeri Lake and Emerald Pool, all under two hours, and segments of the Waitukubuli National Trail thread the park.

Getting there and timing. Laudat, the gateway village, sits at about 1,200 feet and roughly 20 minutes from Roseau by road; it is the sole access point for the Boiling Lake, Freshwater Lake and Titou Gorge, and the road ends there. Emerald Pool is approached separately from the Roseau–Castle Bruce road. Site passes are sold at trailheads and at the Forestry Division. February to May is driest; the wet season brings landslips, swollen rivers and closed trails, and hurricanes have repeatedly reshaped the park — Hurricane David in 1979, Allen in 1980 and Maria in 2017 all did severe damage. Waterproofs, sturdy boots and more water than seems necessary belong in the pack in every season.