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One World Trekking Blog

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Managing Director, Adventure Travel Consultant and Trekking Tour Leader

In 1988, Andy set out with friend and soon to be business partner Mark Van Alstine on his first exploratory trips into the Karakoram Range of Northern Pakistan. For the next 29 years, Andy has been creating, organizing and guiding trekking journeys throughout the Himalayas. Andy lives near Aspen, Colorado where he operates One World Trekking.

Two Days in Kathmandu, Nepal

The bustling, chaotic and fun city of Kathmandu, NepalSome fun ways to spend 48 hours in Kathmandu, Nepal

Adventurers the world over flock to Nepal and almost all trips to Nepal include some time for exploring the ancient temples, royal palaces and maze of streets in the Nepalese capital.

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Mount Everest Base Camp Trek in Nepal


Ready for the world’s most famous hiking vacation?

The lodge trek to Mount Everest Base Camp is certainly the most famous in the world. You will depart for Kathmandu, Nepal anticipating the awe when first laying eyes on the world’s tallest mountain, but you will return home in love with a beautiful country and smitten by the friendliness of the Sherpa people who inhabit the valleys below Everest. View our Everest Base Camp slideshow!

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Part 2: Upper Dolpo Trek - In Peter Matthiessen's Footsteps

Village scene on the Snow Leopard Trek in Upper Dolpo, Nepal.Greetings All,

After spending 3 nights in Shey it was time to leave and continue our trek in the Dolpa District of Nepal. A frenetic Mountain Weasel visited our camp dashing from one empty marmot burrow to another and bouncing off our toilet tent. The Mountain Weasel is listed as near-threatened by the ICUN because it is in significant decline due to habitat and resource loss. Click on the following link to access it:

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Adventure Seekers Returning to the Annapurna Circuit

At the Thorong La Pass high camp in Nepal.For decades hikers from all over the world have come to Nepal to trek the famous Annapurna Circuit. According to officials at the Annapurna Conservation Area Project (ACAP), the number of foreign and domestic trekkers issued permits in September 2016 is up 89% from the same month in 2015. Bel Bahadur Pun, an official at the ACAP office in Jomsom, says that the hotels and lodges along the circuit and flights between Kathmandu, Pokhara and Jomsom have been near capacity.

Local tourism companies contribute this year's renewed interest in the full Annapurna Circuit to the general rise in tourism numbers since the April/May 2015 earthquakes and word of the New Annapurna Trekking Trail (NATT) spreading to other countries.

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Part 1: Upper Dolpo Trek - Around the Crystal Mountain

Marc and Peggy on the Snow Leopard Trek in Upper Dolpo, Nepal.Hi Everyone,

We're back in Kathmandu, Nepal after completing a 22-day trek in the Dolpa Region. We covered nearly 190 miles, crossed 5 high passes including one on the Crystal Mountain kora or circuit, and visited 8 Buddhist gompas or monasteries. We were able to write a blog post today detailing the first half of our trek. Click on the following link to access it: 

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Beautiful October weather at Annapurna Sanctuary

Trek to Annapurna Sanctuary in Nepal to get this spectacular view from the base camp.Hi Andy, 

Thanks. Everything went great on the trek. Guides were great.

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Happy campers in northern India

The Darcha to Padam Trek in northern India.Hi Andy,

We had a SPECTACULAR TRIP and loved every minute of it. All the guides were awesome, the accommodations were great.

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The Best Short Treks in Nepal

The best short hiking trips in Nepal.If you have a limited time for a trekking vacation but still want a taste of the best Nepal has to offer, here is a list of what we think are the three best short treks (under 14 days) in Nepal.

Sunrise on Poon Hill: Ghorepani & Poon Hill Trek

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What to expect on a trek to Everest Base Camp in Nepal

Small train of yaks descending from Everest Base CampAfter 28 years of traveling to Nepal there is one thing I have learned very well…people’s expectations and reality can only meet once they land in Kathmandu.

Despite our best attempts to prepare people for their trekking trip, there will always be a sense of uncertainty and unanswered questions. Looking through guide books, blogs and other related articles can not prepare you for the sights, sounds and smells of Nepal.

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Announcing new trips to Machu Picchu in Peru

Machu Picchu in Peru.We are very excited to be offering two unique trips to Machu Picchu in conjunction with Mountain Lodges of Peru

Earlier in July I had the pleasure of meeting with the folks from Mountain Lodges of Peru. Over a great lunch at the Red Onion in Aspen, I was rather wowed by their take on adventure travel to Machu Picchu, cultural immersion and lodge-to-lodge journeying within breathtaking landscapes. So much so, we are going to start offering a couple of MLP’s unique tours…

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10 Ways Trekking To Everest Base Camp Is Like “Real Life”

The trek to Everest Base Camp in Nepal."It's not the mountain that we conquer but ourselves." - Edmund Hillary

While 99.99% of us will never climb to the top, the hike to Everest Base Camp is well within the time frame, fitness level and cost for most people. Standing at the foot of Mount Everest and marveling at its beauty is a goal much like that we encounter and undertake on a day-to-day basis in our regular lives.

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Himalayan Travel Tips: The Buff - a many use travel must have

The Buff is a must for a Himalayan trekThe Buff: a versatile must for a Himalayan trek

One of the best single pieces of gear you can bring on a trekking trip is The Buff. This versatile product is so popular on a Himalayan trek they even have a Buff with a map of the Everest area in Nepal printed on it. You can use a Buff as a head band, scarf, neck gaiter, balaclava…in fact the company touts 17 different ways to use a Buff on their website ( These things wash and dry quickly and easily and have a long useful life. I was first turned on to The Buff by an ex-girlfriend who bought me one for my birthday. I’ve always just used a bandana but the Buff is warm enough to use as a neck gaiter and filters out the dust on the trail when used as a face mask. When its time for it to be washed, I just use it as a wash cloth in river or solar shower.

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Taking the trek to Everest Base Camp from dream to reality

The trek to Everest Base Camp in Nepal.With some extra training and proper planning, a trek to Everest Base Camp in Nepal goes from a daydream to walking on the trails!

We have been trekking in Nepal and organizing treks to Everest Base Camp since 1988. Many things have changed in Nepal and for the trekking industry over the past 30 years, but one thing has remained the same…the look of amazement on our customer’s faces as they gaze up at the highest mountains on Earth.

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Annapurna Base Camp (ABC) Trek

The spectacular view at Annapurna Base Camp in Nepal.Nepal’s other lodge trek to the base camp of an 8,000 meter peak!

You initially go to see the big mountains and you return because of the wonderful Nepalese people. Also, there must be something in the rarified Himalayan air that keeps people longing for more and dreaming of a walk amongst the giant peaks.

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Ganesh Himal Panorama Trek

The stunning ganesh himal in Nepal.

A new 17 day trek in Nepal's little-visited northern mountains

The Ganesh Himal, in north-central Nepal, lies along the border with Tibet. The Trisuli Gandaki Valley on the east separates it from the Langtang Himal and the Shyar Khola Valley on the west separates it from the Mansiri Himal, home of the 8,000 meter Mount Manaslu.

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What trek grade is best for you?

Trekking in Upper Mustang, Nepal.

Some thoughts when selecting the proper trek grade

Establishing grades for our Himalayan treks has always been a challenge. It is near to impossible because individual perceptions about what is and isn't hard will always exist. What is easy for one person can be difficult to someone else.

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Solo Travel Doesn’t Mean You’ll Be Trekking Alone

Yoga pose on the Annapurna Circuit in Nepal.If your husband or wife can’t get time off work, your best friend can’t find a dog sitter or you need to travel on specific dates…No Problem!

You can still go on that trek of your dreams and meet like-minded travelers from all over the world on the trails and in the lodges.

Traveling solo doesn’t have to mean traveling alone.

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The 5,000 meter adventure to Everest Base Camp & Kala Pattar

The beautiful sight of Mount Everest in Nepal.The trek to Mount Everest Base Camp and Kala Pattar is one for all fit and avid hikers.

Designed to fulfill the dream of many adventure-seekers, our lodge trek to Everest Base Camp takes us along the historic route to the foot of the world’s highest mountain! After a slow ascent through picturesque Sherpa villages, visiting Buddhist monasteries and enjoying the spectacular scenery, this lodge based trip culminates with the opportunities to hike to both Everest Base Camp (17,500 feet) and up the nearby peak of Kala Pattar (18,200 feet) for spectacular views of the mighty Mount Everest.

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Adventure Travel requires the need to pack your patience

Cycling across Tibet in 1995.

Once you step out the front door the adventure begins

Leaving home for the airport, every traveler starts thinking about what they forgot to pack. It’s human nature, right? Departing for a multiple-week trek into South Asia’s Himalayas, it’s not always easy to pick up a replacement article of clothing or other travel necessity you left sitting on the kitchen table, but somehow you’ll get by. Even we meticulous list makers will forget at least one important item.

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The Road to Manang

Looking down on the beautiful valley of Manang.

Despite the new road reaching Manang Village, the Annapurna region remains one of the most beautiful in the world

After decades of debate, the remote trans-Himalayan district of Manang is now connected by a jeep road. The main impact on the trekking industry in this spectacular region, is there is now regular jeep service and it looks like Manang will prosper from the connectivity.

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