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I'd just do it wherever you're most comfortable your first time. If the forest is genuinely where you feel most at home then I suppose that's fine but for me it was in my apartment with my girlfriend. We walked to the nearby park and nature was very beautiful and nice; you will appreciate little things far more than before (I'm a bio fag so I found the insects and little things captivating) but it did get to be a bit much after a while.
Biggest thing for me was that I was sweating a lot. Be sure to bring plenty of water to stay hydrated. Last thing you want is to be tripping and dehydrated. Overall if you do a lot it can be exhilarating but also very draining. For me at least mushrooms are not like weed where I can smoke and choose to just have a fun time or get philosophical. Mushrooms are always a profound and deep experience and so I only do them every few months. YMMV.
Best of luck OP.