Rongbuk Monastery Guesthouse, also being called Rongbuk Temple Hotel, located across the road from Rongbuk Monastery. Most likely it's the highest guesthouse in the world. In the past, it's 8km away from Everest Base Camp. Right now, the Rongbuk Everest Hotel is very close to the new Everest Base Camp.
Rongbuk Monastery Guesthouse is very basic, no shower, no heat. Usually, 4 or 5 people share a dorm-bed room without a bathroom. But there are also a few twin rooms without bathroom available at Rongbuk Monastery Guesthouse, of which electric blanket is offered in the winter.
The guesthouse has a simple restaurant provide noodles, coffee, milk, or fried egg with rice. This guesthouse doesn't accept any booking in advance. Only if you arrive here earlier, you can get a room.