Lonely Planet - Nepal - Comprehensive facts and advice for traveling along with background material on the culture and history of the country. TravelNepal.com - A directory of hotels and travel agencies. Also contains information about the country, places to visit, festivals, and maps. Virtourist.com: Annapurna Circuit - A virtual tour of the circuit by Raimon Bach. VisitNepal.com - Features a directory of travel and tourism services, weather updates and general information on the country. Trekking to Tilicho Lake - Describes how and when to go to Tilicho Lake. Also features photographs of the lake, and trekker's FAQs. Trekking to the Hidden Valley - Features a route description and FAQs concerning trekking from Marpha to the Hidden Valley, north of Dhaulagiri. Gorp: Classic Adventures in Nepal - An article on the top adventures in the country, including trekking to the Everest base camp, the Annapurna hike, rafting the Sun Kosi, and birdwatching in Koshi Tappu. World Travel Guide - Nepal - Tourist and business travel information with facts on climate, visa, health, passport, currency and customs requirements iExplore - Nepal - Adventure and experiential travel group provides a guide on the country and its history, events, places to go and activities with tours, photos and other tourist information. Travel.State.Gov - Nepal - Offers travel information including Quick Facts, embassies and consulates, entry and exit requirements, safety and security, local laws, health, transportation and Fact Sheet. From the U.S. Department of State.