Summer offerings include mountain biking, gondola rides, ropes course, etc.
There are a variety of hiking trails in the area for all levels and distances. The Deer Leap Overlook Trail is pretty short (<2mi) and offers views of nearby Pico and Killington ski areas.
Right around the corner from the Trailside Inn and voted VT's #1 public golf course
For more ideas check from road cycling, to VT famous beer, cheese, and maple syrup check out Trailside's website.
If you're planning to spend some extra time in the area or happen to have one of these on your route we recommend the following VT breweries. If you can't make get it straight from the brewery some of these can even be picked up in the gas station cold section. - Foley Brothers - Fiddlehead - Lawson's - Hill Farmstead - Stowe Cider - Alchemist - Rock Art - Foam - Zero Gravity - River Roost