Guyana is located on the North Coast of South America and is the only English speaking country there, between Brazil, Venezuela and Suriname. People usually go overland. Some CSers have asked for information and have found the following links useful

The Guyana Tourism Authority - http://www.guyana-tourism.com

A travel guide prepared in 2000 for budget travellers which included details of contacts and how-tos http://www.sdnp.org.gy/gallery/travel_guyana/