Hakone Gora Onsen | Hotels and Ryokan (Japanese inn) that are popular based on reviews!

I want to stay at a hotel with a nice open-air bath in Gora hot spring

I'm planning to go to Gora hot spring with friend who loves open-air bath. I don't really care about the price, so please let me know of a place to stay with a nice open-air bath, as it will cost around 5,000 to 20,000 yen.