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KINGFISHER JOURNEYS
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Lake Kivu

Lake Kivu lies on the border between the Democratic Republic of the Congo and Rwanda. It is one of Great Lakes in the Albertine Rift, the western branch of the East African Rift. There are about 200 small rivers that flow into it from a relatively small catchment whilst the outflow is to the Ruzizi River, which flows southwards into Lake Tanganyika and ultimately into the mighty Congo.

Lying at 1463 m above sea level, its surface area is 2,370 km2, the average depth is 240m whilst the maximum depth is 485m and its total volume is an impressive 560 km3. Lake Kivu has a very irregular shape. Contained in the southern DRC part of the lake, Île Idjwi, is the tenth largest inland island in the world. The maximum distance from one end of the lake to the other is 103km whilst its about 48km across. 
​
Lake Kivu is unique with many features setting it apart from all others in the world.
​
It used to flow to the north and drain into the Nile until around 12,000 years ago, lavas flows from the Virunga volcanoes dammed this outflow, reversing the direction of its waters and also causing the depth to increase. Around 5,000 years ago when local volcanism and hydrothermal activities began to affect the lake, it became very stratified with different layers that hardly interact with each other. 

This stable stratification is the secret to it's huge resource, more than any other lake in the world, it has vast quantities of trapped methane at depths of over 200m so there are projects near to Gisenyi and Kibuye that are beginning to extract this reserve.

The surface water temperature is about 24 °C, however, at depth, unlike almost every other (non-frozen) lake in the world that becomes cooler with
increasing depth geothermal activity keeps the temperature in the lower layers of Lake Kivu warmer, at 26 °C.

With very steep sides river run offs and most pollutants from the towns around the lake descend quickly to the depths. The surface layer therefore comprises very clean, fresh water, in which some 31 species of fish live, many of which are caught by local fishing cooperatives using their unique fishing boats. However, there are no large animals such as hippopotamus or crocodiles. Furthermore, with few habitats for the host snails to live in and almost no human habitation close to the water (due to a law banning all dwellings within 50m of the shore), Lake Kivu has one of the lowest instances of Schistosomiasis (bilharzia) in any African body of water.

If it is not removed by - such as by the methane extraction process that is being used to generate electricity - the dissolved methane and carbon dioxide in the deep layers, will (when the partial pressures of these gasses become more than the pressure of water from above), eventually cause a limnic eruption. However, the scientific analysis indicates that this is many decades away, so for now, we are free to enjoy the beauty and tranquillity of Lake Kivu.

Containing relatively high concentrations of dissolved minerals, with a pH of 8.6, the surface water in Lake Kivu is also slightly alkaline. As a result rocks around the shores are generally covered in a mineral scale, similar to limescale in a home kettle or stalagmite in a cave. Also, on occasions when the water temperature naturally fluctuates, the amount of these minerals that can stay dissolved reduces, making the water appear milky in patches or even over a widespread area - as occurred extensively in 2016. Such colouration is harmless however, sometimes local people (and media) erroneously confuse the change of colour with the methane.

As the largest lake in Africa that does not have a single hippo or crocodile, and it's safe clean water, Lake Kivu is a special place for the local people who live around its shores and fish on its water as well as all kinds of tourism activity.
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 Contact Us
Bookings Call or WhatsApp: +250 788 318 759 / +250 780 639 068
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​Prices shown in USD including all Rwandan taxes. To Pay in RWF, request an offline booking see Payment Options for details.
Foreign medical insurance is not sufficient to cover helicopter evacuation in Rwanda so all our tours include emergency evacuation insurance as standard. We also strongly recommend emergency evacuation insurance to everyone travelling in Rwanda.
​We pay fair wages and always contribute to the pensions, maternity and community health schemes for everyone who works for us.
Local Activity Booking Terms and Conditions | Retail Tour Booking Terms and Conditions 
​Copyright © 2022 Kingfisher Journeys Ltd | TIN: 103664785
  • Home
  • Tours
    • Adventure Tours
    • Gorilla & Primate Tours
    • Nature & Birding Tours
    • Safari Tours
    • Family Tours
    • Cultural Tours
    • High End Luxury Tours
    • Mid Range Tours
    • Self-Drive Itineraries
  • Activities
    • Adventure Activities >
      • Walking
      • Kayaking
      • Canoeing
      • Mountain Biking
      • Cycling
      • Paddleboards
      • Combined Activities >
        • Walk & Canoe
        • Hike, Bike & Kayak Lake Kivu
    • National Parks >
      • Volcanoes >
        • Mountain Gorillas
        • All Permits
      • Nyungwe Forest
      • Akagera (Safari)
      • Gishwati Forest
    • Experiences >
      • City Tours
      • Conservation
      • Community
      • Boat Trips
  • Services
    • Car Hire
    • Transfers
    • Evacuation Insurance
    • Gift Certificates
  • About
    • Contact
    • Rwanda Map
    • Insights >
      • Mountain Gorillas
      • Lake Kivu
      • Akagera Facts
      • Nyungwe Facts
      • Mukungwa Wildlife
      • Kingfisher Diaries
    • Responsible Travel >
      • Mission Statement
      • Our Commitment
      • Climate Emergency
      • Travel Photography
    • Offers >
      • Social Media Offer
      • Discounts
    • Payment Options
    • Privacy & Booking Terms
    • Feedback