My husband and I have travel trailer and my grandkids want to tent. Can we do both together? And be by the swimming hole?

Yes you can travel trailer and tent camp in the same spot. The swimming part of the lake I believe is memorial day to labor day. There is a little stream to play in that feed the lake with a small 2 foot waterfall.

Yes and yes

There are family sites but there is no swimming hole within close proximity to the sites. But there is a playground not far by