There are a ton of places to go hiking near Stanley and Redfish Lake. If you have never been to the Lily Pond, it is a bit of a hike but totally worth it. And if you are not much of a hiker there is actually a ferry you can take to reduce the stress of the hike.
The Sawtooth Mountains of central Idaho offer so many amazing recreational sites. Two off-the-grid hikes that lead to beautiful waterfalls can be found near Stanley, and both can easily be explored in the same day.
I am in the process of trying to find some places to explore backpacking. I found some places that I believe would be a good start for me and other beginners. If you can think of any more please let us know. I think I am going to have to try a few of these out when it isn't too hot out though.
If you are looking for some places to go on a day trip, maybe go swimming or fishing, these lakes are perfect. They are close enough for a day trip and can be a lot of fun. These lakes are anywhere from 30 minutes to about 3 hours away.
Some of the springs found in the Wood River Valley don't offer any sort of nearby facilities, and can only be safely accessed at certain times of the year. It's just you, and your natural surroundings.
For those that enjoy getting outdoors and seeking out unique Idaho getaway opportunities, there is a natural hot spring located 140 miles north of Twin Falls that gives its visitors a view unlike any other.