A short drive east of town. You can hike, fish, and sightsee. There is a $30 charge to get in, but a pass lasts for a week.
There are multiple fun activities in Ouray. Hot Springs, Box Canyon Falls, Ouray Perimeter Trail, and lots of restaurants(including a brewery)!
Fun place to picnic, camp, hike, rent paddleboards, fish or go for a swim. A small charge $9 dollars to enter for the day.
About an hour and 20 minute drive and you can explore Telluride: hike, ride the gondolas, eat/drink and adventure.