The most popular winter activities are cross country skiing and snowshoeing. Many people will go into the Rocky Mountain National Park to the Bear Lake area for a couple days of winter fun.
Even if you don't have your own equipment, you can rent it from a vendor in Estes Park.
Estes Park Mountain Shop
Phone: 800.504.6642 or 970.586.6548
(rentals and/or guided tours)
The Warming House