Hi,

I have done both Jama and Sico.

Paso Jama is all paved route. It is scenic, altiplano region with desert surroundings, salt lakes, rock formations, lamas, flamingos. It is nice and easy. You reach up to 4,800 meters altitude.

Gas is available right after the border, on the Argentinian side.

Paso Sico is more rugged. It is more beautiful route but in a very remote and wild sense. All dirt, with sections of deep gravel and sections with sand. There are also stretches with corrugations from the grader machines. Lot's of bumping.

See pics of Paso Jama route here at my blog, and here to get an idea.

And for Paso Sico, have a look here and here.

If you do Paso Sico coming from Chile, definitely fill your gas tank at San Pedro Atacama and also get supplies (water and some dry food) because you might have to spend the night out in the open (depending on your off-road riding skills - I mean if you take it slow you might not arrive before night at San Antonio de los Cobres). Your next chance for gas will be at San Antonio de los cobres in Argentina, that's approx 350 kilometers from San Pedro, 250 of them on dirt/gravel/sand.

Next , the areas around Salta, Tucuman, Purmamarca etc definitely deserve some riding and exploring.

Further south, I believe you read my other post regarding route from Zapala to caretera austral etc. , as well as the east coastal front.

Valdez is not interesting in my opinion, during this time of year. Whales & orcas have moved south, and the peninsula is overcrowded with tourists (domestic and foreigners).

For uruguay and paraguay, unfortunately I have no info to share...

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John
MotoGreece.gr | personal blog | my G+ profile