Sylvan Dale Ranch is a full functioning guest ranch, they offer a ton of fun activities. Please visit the link to check them out...https://www.sylvandaleranch.wedding/wedding-guest-information
Estes Park is not far from Sylvan Dale, where you can visit Rocky Mountain National Park, Lake Estes, or the Stanley Hotel for a ghost tour. Estes Park has roughly 3,000 elk roaming around that will you likely see this time of year.
Denver is about an hour from the ranch. There are tons of great places to eat there, as well as the Denver Zoo (Franci's favorite), Aquarium, and Museum of Natural History.