What’s it like to go wilderness camping?

I’ve been invited to join my cousins and several other girls (some older) to go wilderness camping this summer. Never been camping before. It sounds like fun but also kinda scary. What should I expect and prepare for? What things should I absolutely bring? All I’ve been told so far is we’ll be near a lake and my cousin (who’s also never done this before) will be my buddy. What does that mean?

What’s it like to go wilderness camping?
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