Adventure City Tours
   Provides free city walking tours accessible from any internet enabled mobile device. Also offers a travel tips blog and a restaurant reviews forum classified by city.
   http://www.adventurecitytours.com

Afoot & Lighthearted
   Walking tours in Europe.
   http://www.afootandlighthearted.com

Alpine Adventure Walks
   Walking holidays in the mountains, valleys and lakes of northern Italy and southeastern Switzerland.
   http://www.alpineadventurewalks.com/

Alpintrek
   Offers trekking tours of varying difficulty in the Dolomites and at Garda Lake, Italy.
   http://www.alpintrek.com

Atlantic Canada Nature Safaris
   Organized, multi-day walking, hiking, and sightseeing tours in (Maritime) Eastern Canada, and Ireland. Offers trip details, and booking information.
   http://www.atlanticcanadasafaris.com

City by Audio
   Offer MP3 downloads containing audio guided tours describing tourist attractions and historical sites in Oslo. Available in English and Norwegian.
   http://www.citybyaudio.com

Classic Journeys
   Offers small group adventure travel walking tours, cooking tours and family vacations worldwide.
   http://www.classicjourneys.com/

Country Walkers
   Walking tour vacations around the world, offering special holidays for solo women travelers.
   http://www.countrywalkers.com

Croagh Patrick Walking Holidays
   Guided walking tours in the West of Ireland.
   http://www.walkingguideireland.com

Eurohike
   Guided and self-guided hiking tours in Europe.
   http://www.eurohike.at

Extremadura Safari
   Offers walking, trekking and hiking holidays in Spain and across the border into Portugal. Military history tours are also provided.
   http://www.extremadurasafari.com

Girosole
   Walking and specialty tours in Italy. Also offers self-guided walks. Book trips online.
   http://www.girosole.com

Great Walking Holidays
   Guided walking vacations in the English countryside visiting Cornwall, the Cotwolds, Dartmoor in Devon, the Lake District and Peak District. All tours begin and end in London.
   http://www.greatwalkingholidays.com

Great Walks of the World
   Small group walking holidays in the Himalaya, the Americas, Africa, and the Alps. Based in Dorset, England.
   http://www.greatwalks.net

KDavis Travels
   Guided walking tours of Italy, Costa Rica, Spain, the United Kingdom, Greece, and Mexico. Based in Nashville, TN.
   http://www.kdavistravels.com/

Life Adventure
   Walking excursions, jeep tours, and corporate outdoor activities in Nerja, Costa del Sol, Spain.
   http://www.lifeadventure.es

Manzara
   Walking holidays, with or without a donkey, in Cappadocia, Turkey. The basic arrangement consists of a one-week stay in a traditional village house in Ortisahar, and five walks.
   http://www.manzara.org/

Nepal Trek Direct
   Nepalese company operated by nepalese guides. Offer several treks in Nepal. Includes photos and itineraries.
   http://nepal-trek-direct.8m.com

New Zealand Walking Company
   Guided walking tours to New Zealand, Italy, Great Britain and Spain. Each holiday is for 6 nights.
   http://www.nzwalkingcompany.com

North-West Frontiers
   Walking holidays in the Scottish Highlands and Islands, and the Faroes. Also offers self-guided treks.
   http://www.nwfrontiers.com

Northwestwalks
   Operate guided and self guided walking holidays throughout Northern England. Also offers a luggage transfer service. Based in Wigan, England.
   http://www.northwestwalks.co.uk

On Foot in Spain
   They specialize in small group walking tours in Northern Spain. And emphasize Spain's rich cultural heritage, its landscapes, flora and fauna as well as provide the finest in accommodations and cuisine.
   http://onfootinspain.com

Ontdek Kenya
   Guided walking and birding tours in Kenya. Also offers women-only tours. Based in Kenya.
   http://www.ontdekkenya.com

Outdoor Mallorca
   Offers various theme-based walking tours in Mallorca. Based in Mallorca, Spain.
   http://www.outdoormallorca.com

Piccolo
   Offering small group walking tours in Italy, Scotland, Slovenia, Spain and New Zealand. Also offer personally designed tours.
   http://www.piccolotours.com

ReachSummit
   Travel, trekking, and high altitude climbing in Nepal, Tibet, India, Tanzania, and France. A freelance photographer organizes, in margin of the trip, a photographic report.
   http://www.reachsummit.com

Ryder Walker
   Guided groups, private treks and inn-to-inn hikes in the Alps. Self-guided mountain travel in Switzerland.
   http://www.ryderwalker.com/

Sheila's Spanish Walks
   Guided walking holidays and tours for small groups in Axarquia, Andalucia, Southern Spain. [May not work in all browsers].
   http://www.sheilaspanishwalk.com

South West Walks Ireland
   Guided and self-guided tours in Ireland, with an emphasis on the South West. General information and tour itineraries.
   http://www.southwestwalksireland.com/

Spanish Highs Mountain Guides
   Walking, trekking, mountaineering and scrambling activity holidays in the Sierra Nevada and Alpujarras of Spain. In the winter backcountry skiing and snowshoeing are offerred. Day or multi-day tours. Singles and groups welcome.
   http://www.spanishhighs.co.uk

Spanish Steps
   Small group tours include walking, photography, and cultural exchange in Spain and Italy. Based in Aspen, Colorado.
   http://www.spanishsteps.com/

The Enlightened Traveller
   Self-guided and group walking tours in Languedoc and Provence, France, for beginners or the experienced. Also offers opportunities for active learning, recreation and regeneration. Based in England.
   http://www.enlightened-traveller.co.uk

The Wayfarers
   Walking and hiking vacation destinations in Europe, United States and New Zealand.
   http://www.thewayfarers.com

Trek-Inn Holidays
   Escorted walking tours in Ireland and the Pyrenees. Self-guided walking holidays in several European countries.
   http://www.trek-inn.com

TrekAmerica
   Offers camping, walking, and lodging tours in America.
   http://www.trekamerica.com/

Trekking BG
   Offers hiking, walking, mountain biking, kayking and other adventure itineraries in the Bulgarian mountains.
   http://www.trekkingbg.com

Walking in Spain
   Provides tailor-made holidays in the Jalon Valley in Spain.
   http://www.walking-spain.com

Walks Worldwide
   Provides a variety of walking, hiking and trekking holidays to destinations around the world. Includes a tour calendar, and detailed intinerary, and booking information.
   http://www.walksworldwide.com

Walks in Spain
   Offers a fully serviced light-walking tour in Spain.
   http://www.walksinspain.com

White Mountains Experience
   Walking and hiking tours in the White Mountains of Crete and by the Libyan sea.
   http://www.walking-crete.de

WorldWalks.com
   Guided and self-guided walking holidays in destinations such as Portugal, Morocco, France, Ireland and the USA.
   http://www.worldwalks.com/

YokmoK Adventures
   Small group tours in the Swiss, French, and Italian Alps, including walking, hiking, photography, and mountaineering. Guided and self-guided. Also offers tailor-made tours.
   http://www.yokmok.com/