There is one small spot by the tube entrance into the river where you can fish from shore. But it's best if you can get out on the river for fishing. And there is an area that is designated for swimming. It's not very big of an area though. It's kinda more for just hanging out and cooling down.
Yes, there is river access within walking distance of any site and you can conduct the activities you describe.
Yes, you can swim and fish at this campground!!
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