You don't really need to do anything to enjoy June Lake, it is simply a great place. Here is some additional info about the area.
June Lake has superb fishing, and fly fishing. There are numerous lakes and creeks, boat rentals are also available on the lakes.
Yosemite is fairly close to June Lake. This may be a great excuse to schedule a Yosemite trip and explore the park!
A fun place for a trail ride for anyone of any experience! Great way to see the area.
An old, but very well preserved, mining ghost town that is worth the visit if you have the day!
Mono lake is so cool and unique, it has recreation opportunities and a museum. We highly recommend visiting!
Riley grew up swimming in June Lake and though it may be cold, August is probably the best month for it and it is beautiful water. Kayaking, paddle boarding, and sunbathing on the beach are also options.