• Encounter

    a unique world of natural and cultural heritage on the doorstep of Tshwane and Johannesburg

    Learn more
  • Connect

    with nature in the Crocodile River Reserve

    Learn more
  • Experience

    the incredible biodiversity of flora and fauna in the Reserve

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  • Explore

    the mountain bike and walking
    trails in the Crocodile River Reserve

    Learn more
    A Ride the Rhenoster Cyclist
  • Engage

    with the natural environment
    in the Crocodile River Reserve

    Learn more
  • Support

    our biodiversity protection efforts by becoming a
    Friend of the Reserve

    Learn more
  • Learn

    to keep our biodiversity pristine
    through our Environmental Education Programmes

    Learn more
    Laezonia Primary School students on a Nature Walk with Howard Birchard

Preserving our Biodiversity

“It is that range of biodiversity that we must care for – the whole thing – rather than just one or two stars.”
– David Attenborough

Get Involved

Become part of a passionate community of people who are determined to transform the future of Egoli’s Grasslands! From donations and sponsorship to volunteering your time, every bit helps our efforts to conserve, protect and restore the small areas of natural habitat that remain in Gauteng’s Grasslands.

Enjoying the Sunset from Koppie Alleen in the Crocodile River Reserve


Our Members section  has relevant information on the Crocodile River Reserve, from legislation and by-laws to guidance on fire management


Would you like to learn about nature, while you are out in nature? Join us for a walk in the veld with an experienced guide and learn about topics which range from Scorpions, Spiders, Birds, Frogs, Bats, Wildflowers, Grasses, Geology, Trees and more. The walks are great for curious children.

Get To Know Our Reserve

  • The Crocodile River Reserve covers approximately 3500 Hectares of land
  • Proclaimed as a Nature Reserve in October 2019 according to the National Environment Protected Areas Act (NEM:PAA)
  • It falls within the buffer zone of the UNESCO declared Magaliesberg Biosphere
  • It is adjacent to the Cradle of Humankind, a UNESCO World Heritage Site
  • It lies within the “green” zone in the Tshwane Regional Spatial Development Framework
  • The Gauteng Conservation Plan categorises the area as a Critical Biodiversity Area (CBA), important and irreplaceable
  • It is home to one of the last remaining pieces of Egoli Granite Grassland (EGG), an endangered vegetation type, a recognized biome endemic to Gauteng
  • The area is home to more than 300 species of birds and several endangered and red data species have been spotted
  • The varied terrain also accounts for a large number of animals, snakes, scorpions, frogs, tortoises and insects
  • The variety of habitats supports a large number of rare and medicinal plant species which are protected
  • A geological seam runs through the Reserve with dolomites on one side and granite on the other
  • The Crocodile, Hennops and Jukskei Rivers flow through the Reserve
  • Our human history boasts about our existence as far back as the early Stone Age and the passing through of important historical characters

Check out our Info Series


of the Crocodile River Reserve


of the Crocodile River Reserve


of the Crocodile River Reserve

Mercia’s Legacy

Mercia is not with us anymore.

She died on Monday morning, 2 July 2018,  when the sky was blue, the air clear and millions of aloes were showing up and honouring her pure love for this land.

As a trusted friend of hers said:

Her wonderful message, dedication and perseverance will forever echo through our minds and souls

An interview with Mercia Komen by the 1201 Project.