The western chain of mountains with Cerro torre at its high point
You must secure a climbing permit at the National Park Visitor Centre, though the permit is free. Crossing some areas of private land such as Valle Rio Electrico attracts a modest access fee.
This is an alpine wilderness and rescues are problematic - climb accordingly.
As with most alpine climbing, bolts are to be used sparingly and as a last resort (historical divergences such as The Compressor Route notwithstanding).
When reading topos and route descriptions, it pays to remember that the established ethic is to give the height of new routes as only that of new terrain covered. Therefore, in regard to variants and linkups, seek further information on the "combined length" of the entire route.
Remember, this is a World Heritage area. Practice LNT principles, espeically in regard to travelling and camping on durable surfaces and waste management.
Did you know that you can create an account to record, track and share your climbing ascents? Thousands of climbers are already doing this.