Grewcock Ihofa Vohitsara Bioreserve
Field Station (GIVB)

 
 
 
  • Located within moist evergreen forest in the Alaotra Mangoro Region, approximately 26 km from the RN2
 
  • Nestled in the heart of the primary rainforest of Mantadia, various species of lemurs are often seen along the road during the warm season
 
  • The area is home to 40 species of mammals (including 14 species of lemurs), 110 species of birds, 53 species of reptiles, and 84 species of amphibians
 
  • Threatened by illegal logging, hunting, and slash-and-burn agriculture

Infrastructures and Projects

We bring this eco-dream to life! Nestled high in the forest canopy, these unique bungalows offer a peaceful retreat for volunteers, researchers, ecotourists, and nature lovers alike.

Treehouses blend into the surrounding landscape, providing comfort without compromising the environment. Whether you’re here to support conservation work or to reconnect with nature, this immersive forest experience offers a one-of-a-kind stay in the heart of Madagascar’s rich biodiversity.

GIVB is completly sustainable through the use of solar panels for electricity.

Furthermore, staying here offers a chance to witness iconic lemurs in their natural environment, while supporting ongoing conservation efforts to protect them.

A Glimpse into our Treehouse bungalows!

MBP is aslo involved in forest restoration in the Alaotra Mangoro region, in partnership with regional organizations (Asity, Andasibe/Mantadia National Park, Andasibe commune, and independent VOIs). MBP works closely with grassroots organizations by providing them seedlings of endemic tree species through its reforestation program.

In collaboration with Re:wild and local organizations, 40,000 trees were planted in 2023, and 204,000 trees in 2024.

Activities include patrolling along with dedicated monitoring of Critically Engangered (CR) Southern black-and-white ruffed lemur  and  Endangered (EN) Aye-aye.

List of lemur species which can be found at GIVB:

  • Greater bamboo lemur (Prolemur simus)
  • Eastern lesser bamboo lemur (Hapalemur griseus)
  • Indri (Indri indri) 
  • Aye-aye (Daubentonia madagascariensis) 
  • Red-bellied brown lemur (Eulemur rubriventer) 
  • Common brown lemur (Eulemur fulvus) 
  • Goodman’s mouse lemur (Microcebus lehilahytsara)
  • Hairy-eared dwarf lemur (Allocebus trichotis) 
  • Eastern woolly lemur (Avahi laniger) 
  • Diademed sifaka (Propithecus diadema) 
  • Crossley’s dwarf lemur (Cheirogaleus crossleyi) 
  • Weasel sportive lemur (Lepilemur mustelinus)
  • Southern black-and-white ruffed lemur (Varecia variegata editorum)