Our stay in the Rio Sierra was absolutely amazing. The location of the house is right by the river with private access to the water - amazing to go for a splash after a day in the hot weather!
The room we had, with a view over the river, was very good, with a comfortable bed, good bathroom and seating area. We didn't feel we needed the room with the private balcony as there is plenty of seating available by the river front and there are only a small number of rooms - so there are never too many guests.
Mars, the owner, was very welcoming and helpful and gave us great advise on the local amenities as well as good hikes in Sequioa NP. Beach towels were ready for us to use by the river and she made us camp fires both nights even though we were the only guest staying - that made our stay very special.
We stayed for two nights and had take away breakfast and dinner by the river every day - the location and was too good not to enjoy as much as possible. The local restaurants are not particularly exciting, but the pizza place was great for take away and sitting by the fire at the rio sierra with a bottle of wine was just spectacular.
Access to the park was very easy and quick and having also stayed in one of the park accommodations I would definitely recommended staying in Three Rivers and driving in. It is much better value for money.
I would definitely recommend this place to anyone, great for couples in particular - very romantic.