We stayed here after leaving the Sanchiri Mirador. It's way out of town, you can reach it by normal car, but 4X4 is probably more suitable.
The rooms are basic but ok. There are no dark curtains, but if you use the spare blankets the rooms are dark enough, The place is in the middle of nature and we loved it, We do not share the experience about the beds, they were ok and we had two good nights sleep.
Service is excellent, the staff makes you feel very comfortable and they are really helpfull. There is a restaurant and they serve the freshest trout you can ever get. Part of the Kiri lodge is a trout nursery and you can have them for lunch and/or dinner. During breakfast you can see all kind of bird including hummingbirds.
From the lodge it is easy to visit the Orosi valley and the Tampanti national park. You can also do a hike from the lodge, but in the green season the path is very muddy.