Europe
ANTREC
Accommodation and activity listings from the Romanian National Association for Rural Tourism.
Barefoot - Adventure Travel Romania
Adventure travel Ecotourism Romania.
Ecotours Hungary
Details of a range of 1-9 day tours, with terms and conditions, and reservation form.
Mandala Organic Tours | Responsible Travel in Italy
Offers farm holidays, biking, hiking, nature and culture tours, and whale watching in Sicily.
Nature Travels | Adventure Holidays in Sweden, Finland & Norway
Adventure holiday specialists for Sweden, Finland & Norway since 2006, from dog sledding & ski touring to canoeing & hiking.
Tengri
Ecological Association Tengri presents its philosophy, achievements, and tour itineraries in the Southern Urals.
Toumba Organic Farm - Lesvos Island, Greece
Offers guided biking, hiking, and horse riding tours, and accommodations in exchange for volunteer farm work in the Greek village of Milies.