The hotel is a unique u-shaped resort which faces the rippling river. The Room Facilities at Royal River Kwai Resort and Spa in Kanchanaburi feature 66 well appointed and tastefully furbished guest rooms and suites. The hotel is a log cabin styled Country home which is decorated with interlocked wooden walls and traditional wooden roofs. Catering top the taste and budget of the guests, the hotel offers varied rooms like Standard Garden View Rooms and River View Rooms.

The River View Rooms are also 32 square meters in size with a private balcony offering unrivaled glimpses of the river. The River View Suites are larger in size than the River View Rooms and sports a private balcony. The Room Facilities at Royal River Kwai Resort and Spa in Kanchanaburi offer its guests a soothing and refreshing stay. The in-room telephones makes for easy communication for the guests while the television with satellite connection adds to the entertainment aspect.