Research guide companies that specialize in different areas, including the Poon Hill Trek, Everest Base Camp Trek and Annapurna Base Camp Trek. Find listings of guide companies that can take you into the mountains. Read online reviews to choose a reputable group, and double check their itineraries.
Hire a guide company. Decide on the type of guide company you can afford.
Prepare the necessary gear. A local local hiking outfitter can provide you with everything from hiking boots to backpacks perfect for the Nepalese weather and terrain, which varies greatly from jungle to alpine. You do not need heavy duty gear if you are trekking, because a porter carries your gear.
Travel to Nepal. A flight is around 35 hours from the East Cost of the United States and tickets were around $1,800 in 2010 for a coach ticket.
Get your visa at the airport in Nepal, or by visiting a consulate or embassy. You do not need a visa if you are only staying for three days or less. Nepal issues a two month visa at the airport that can be renewed.
Obtain a permit to trek or hike if you are not utilizing a guide company by going to the Department of Immigration, and allow a day for the permit to process. The permit fee depends on the area you are going to. Trekking permits are not required for Annapurna, Everest, and Lang Tang areas.