The Crystal Valley extends from Marble down to Carbondale, through Redstone, as the Crystal River runs.  Land on both sides of this river is protected, some as White River National Forest, some as Pitkin County Open Space. 

There are more trails being built in Coal Basin.

Check out some of the mountain bike rides here.

There are some well known climbing routes in the area. 

Check out the climbs here. 

Read this great article on ice climbing in Redstone.