Here's how winter climbing grades work. Just when you thought you had grades mastered, here’s another system. Here's how winter climbing grades work. Winter routes are graded for difficulty and ...

Here's how winter climbing grades work. Just when you thought you had grades mastered, here’s another system. Here's how winter climbing grades work. Winter routes are graded for difficulty and ...

most guides will also mention crux and grades. The crux is the basis for climbing ratings and some guidebooks will provide further emphasis on difficulty by adding a + or - to the rating.