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Dominica Dominica

Portsmouth

Portsmouth is a city in Saint John Parish, Dominica, and the country's second-largest by population. It's a great starting point for exploring lush nature, including Cabrits National Park and Morne Diablotins.

Updated August 15, 2026 · Edited by the World by City editors

Portsmouth
Gateway airport
Douglas–Charles Airport (DOM)
Best season
Dec–May
Time zone
America/Dominica
Sights covered
9 places

Sights worth seeing

See all 9 →
Morne Diablotins

Nature

Morne Diablotins

The highest volcano in Dominica, with a lush forest trail leading all the way to its 1,447-meter summit. It ranks among the tallest peaks in the Caribbean's Lesser Antilles.

Morne aux Diables

Nature

Morne aux Diables

A volcano rising at the northern tip of Dominica, also known as "Devil's Peak." It is now dormant, but traces of sulfur hot springs can still be found in the surrounding area.

Cabrits National Park

Parks & gardens

Cabrits National Park

A national park on the peninsula north of Portsmouth, Dominica, encompassing rainforest, coral reefs, and wetlands. Walking its trails, visitors can also come across Fort Shirley, a former British military fortress.

Morne Diablotin National Park

Parks & gardens

Morne Diablotin National Park

Set in Dominica's northern highlands, this national park is home to diverse plant and animal life. It offers a range of hiking trails through valleys and past waterfalls.

Morne Balvine

Nature

Morne Balvine

This mountain in Dominica's Saint John Parish is crossed by Segment 11 of the Waitukubuli National Trail. Its modest height makes it ideal for a light trek.

Cario River

Nature

Cario River

A stream flowing through the parish of Saint John in northwestern Dominica, about 27 km north of the capital, Roseau. Found near Portsmouth, this quiet waterway offers a close-up feel of Dominica's natural surroundings.

Picard River

Nature

Picard River

A river that rises on the northern slopes of Morne Diablotins and flows northwest to meet the Caribbean Sea at Prince Rupert Bay near Portsmouth. It's a good way to trace Dominica's natural landscape from mountain to sea.

Indian River

Nature

Indian River

A river on the Caribbean island of Dominica, flowing between Portsmouth and Glanvillia. It's the widest river on the island, and following its course reveals exotic scenery.

How many days do you need?

Routes grouped by travel distance so each day stays comfortable.

Average temperature by month

5-year average

25° Jan
25° Feb
25° Mar
26° Apr
27° May
27° Jun
27° Jul
28° Aug
28° Sep
28° Oct
27° Nov
26° Dec

Getting there

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Getting around the city

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Local data

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Where to stay

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