Overview

The beautiful 170km-long Rio San Juan marks the border with Costa Rica and runs from Lake Nicaragua to the Caribbean Sea. Strategically important, it has a hectic history of disputes and attacks from outside Nicaragua and within. The remarkable fortress at El Castillo, built by the Spanish to repel pirates (although Horatio Nelson briefly held it after capture by stealth), bears witness to that. However it’s now a peaceful waterway passing through thick tropical jungle, where efforts are being made to encourage eco-tourism. Downstream from El Castillo is the primary rainforest of the Reserva Biológica Indio Maíiz, possibly the largest nature reserve in Central America.

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Holidays Rio San Juan

From expertly designed Private Journeys to trail-blazing Group Tours, browse our range of carefully crafted holidays.

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Group - Discovery

Nicaragua

Cotinga: Off the beaten track Nicaragua

18 days from £3,580pp

(based on two people sharing & excluding flights)

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Private Journeys

Nicaragua

Signature Nicaragua: Fire, water and revolution

13 days from £2,850pp

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Private Journeys

Costa Rica / Nicaragua

Signature: Best of Costa Rica and Nicaragua

12 days from £3,250pp

(based on two people sharing & excluding flights)

Granada Nicaragua

Private Journeys

Nicaragua / El Salvador

Undiscovered Nicaragua and El Salvador

19 days from £4,070pp

(based on two people sharing & excluding flights)

Things to do

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Where to go when - our guide to Rio San Juan

Rio San Juan

The weather in Rio San Juan is wide and varied

The Rio San Juan is 170 kms long and marks the border with Costa Rica. Passing through thick tropical jungle it was in the past strategically important and the fortress at El Castillo was built by the Spanish to repel pirates. Now efforts are being made to encourage eco-tourism and the area is home to one of the largest nature reserves in the region.

View our Rio San Juan weather guide

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Meet our team

Real Latin american experts

  • Mary
    Mary Anne Nelson - Travel Expert

    Born in the Atacama Desert in northern Chile, Mary’s insider knowledge and dry sense of humour make her a highly valued member of the Tailor-made Holidays and Group Tour sales team.

  • Millie
    Millie Davies - Travel Expert

    Having caught the travel bug as a child, Millie has travelled all over Latin America before making her home in Buenos Aires for 3 years.

  • Sophie
    Sophie Barber - Travel Expert

    Sophie lived in Chile before joining us and has travelled extensively across Latin America, from Mexico to the furthest tip of Patagonia and beyond to Antarctica.

  • Charlotte
    Charlotte Daubeney - Travel Expert

    Charlotte's fascination with Latin America began with a family holiday to Belize. She went on to study Spanish in school and at university before spending a year living in Santiago, Chile.

  • Alex
    Alex Walker - Travel Expert

    A globetrotter since her childhood, Alex spent a year studying abroad in Guadalajara and has returned to Latin America countless times since then.

  • Paul Winrow Giffin
    Paul Winrow-Giffin - Travel Expert

    After graduating in Computer Science, Paul spent seven months travelling from Colombia to Argentina and came home hooked on Latin America.

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