I believe you can rent a boat and go to the other side of the lake where the restaurant is located.
No. But there is a 22 mile walking trail around the lake, if you're up to it.
No combo that I saw. But you can do both separate.
You could walk all around the lake shoreline. You could also rent an electric bike, and bike all around the lake shoreline. There is a public paved lake shoreline, all around the lake
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