GPT40 - Glaciar Viedma
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Recent Alerts and Suggestions
- 2019-Nov-6 / Lea Geibel, Kevin Moe
Equipment for Zip Line to cross rivers is not required anymore since this season. Most of the season the rivers are possible to cross on foot Paso Viedma had a decent amount of snow on it (Snow Line at 1000m), the ascent is straightforward but the descent on the side facing the ice field can be really iced over and difficult without crampons (ask at Visitor Center of the NP for current conditions)
Season Section Log
- 2019-Nov-6 / Lea Geibel, Kevin Moe / to be issued when we come back
Summary Table
Satellite Image Map
Elevation Profile
Elevation Profile of Regular Hiking Route
Section Planning Status
Recommended Travel Period
Benefits of Hiking and Packrafting
Recommended Travel Direction
Section Length and Travel Duration
Suitable Section Combinations
Section Attractiveness
Section Difficulty
Resupply
Resupply Town
Shopping: Food
Shopping: Fuel
Shopping: Equipment
Services: Restaurants
Services: Laundry
Services: ATM and Money Exchange
Accommodation: Hostals and Hotels
Accommodation: Cabañas
Accommodation: Camping
Transport: Ground Transport
Transport: Ferries
Transport: Shipping Services
Resupply on the Trail
Location, Names, Available Items and Services
Access to Route and Return
Access to Start
Return from Finish
Escape Options
Permits, Entry Fees and Right-of-Way Issues
Regular Route
Regular Hiking Route
- Route description by Kara Davis after Season 2017/18:
Notes to consider before beginning: GPT40 is more popularly known as the Huemul Circuit, a 57-kilometer trek in El Parque Nacional Los Glaciares. Before embarking, the national park guard requires that every hiker obtain a permit, bring required safety gear, and watch a slideshow about the circuit. The safety gear consists of a harness, 2 carabiners (one steel and one aluminum), slings, and 35 m of rope. Most of this gear can be rented at any outfitter in town, but due to liability reasons, the outfitters won’t rent rope. We went to the local ferretería to purchase this. All of this gear is used for two river crossings on zip lines.
We were told that the rangers required hikers to bring their safety gear to the station before a permit would be issued. I would recommend that anyone who wants to do this circuit go to the rangers station the day before to watch the video and get any other necessary information about weather, conditions, etc. Since rentals can get expensive, renting the same day you leave and then going to the rangers station to show them your safety gear and get a permit seems to be the best course of action. The guard station is located on the south side of the Río Fitz Roy just across the bridge.
Most people hike the circuit clockwise (as the slideshow recommends). The trail begins just behind the rangers station and ascends up gentle grassy hills. It is fairly flat and well maintained. After passing Laguna Túnel o Tore, the trail deviates from the GPS route and loops to the first crossing of the Río Túnel on a zip line. During low water, it is possible to cross this river on foot by following the GPS track. After crossing the river, the trail climbs steeply to just above Glaciar Río Túnel Inferior. Along the south side of the glacier, the trail becomes hard to follow as it disappears in loose moraine. Walking on the edge of the glacier may be easier than trying to pick your way across the steep slope but be careful doing this.
After passing the glacier, follow maintained switchbacks up the side of the mountain towards Paso del Viento, the high point of the circuit. For the next 20 km, expect amazing views of Glacier Viedma. I cannot speak to the quality of the trail descending from the pass because of the blanketing snowpack that was present during our trek, but the sections where the snow did melt looked maintained. There is a small refugio, Refugio Paso del Viento located at a pond about 3.5 km from Paso Viento.
After passing the refugio, the trail contours and then climbs to Paso Huemul. Make sure to look back and enjoy the last view of Glacier Viedma. The descent is very steep and at one point there is even a rope to downclimb. There are also plenty of woody bushes (manzanita?) to cling to as you lower yourself down the trail. After completing the descent, the trail is straightforward and easygoing. There is camping on the beach at the peninsula, Camping Bahía de Hornos. There is one more river crossing with a zip line at the lower Río Túnel, and from there it is easy walking to the end!