My advice to anyone with risky property is to do the following at a minimum (that's in addition to your renter's insurance):
1. Post signs warning of the hazard and risks that you are not responsible
2. Include in your guest book detailed instructions about how to deal with that risk e.g. swimming pool, creek, bayou, etc.
3. Post on the back of the entrance door or some other wall a short list of rules including a mention of the risk
4. Create a Youtube video explaining the risk. Don't post as public but put a QR code with the link in your guest book.
5. If you greet guests via phone, text, etc. include mention of the risks.
6. Fence it in, rope it off, do what you need to to keep guests safe.
You simply can not go overboard. Remember, anyone can sue you for anything at any time. Be sure to put your property into an LLC. And, make sure you have the correct insurance, not homeowners but renters. Prosper is a good source for specific coverage.