Country Walkers
   Offers walking tours, hiking vacations and snowshoeing tours around the world. Search by destination, type and date.
   http://www.countrywalkers.com/

Gibco Nature Walks and Blue Hole Tours
   Andros, Bahamas Island - Leads tours of bat caves, termite mounds, and other attractions.
   http://www.so-andros.com/gibco/

Mountain Nomad Adventures
   Uk based tour operator specializing in small group and tailor-made walking and trekking holidays. Destinations include the Himalaya, Africa and French Alps.
   http://www.mountainnomad.co.uk/

New England Hiking Holidays
   Offers guided hiking tours of North America, Europe, and the Pacific Rim with lodging in traditional inns, hotels, and guesthouses.
   http://www.nehikingholidays.com/

Yankee Travels
   Hiking tours of Switzerland, the English Lake District, and the Canadian Rockies.
   http://www.hikingswitzerland.com/