The Mercersburg Inn offers a variety of room types, including Deluxe Queen Rooms, King Rooms with Spa Bath, King Suites, Deluxe King Rooms, Queen Rooms, Superior King Rooms, Queen Suites, King Suites with Spa Bath, One-Bedroom Suites, King Rooms with Balcony, Standard Queen Rooms, Queen Rooms with Garden View, Standard King Rooms, and King Rooms with Spa Bath. All rooms are non-smoking and have an occupancy of 2-4 adults. The bed sizes range from Queen to King, with the option of additional sofa beds and bunk beds in some rooms. The room size is 118 sqft for most rooms, with the exception of one King Room with Spa Bath that is 151 sqft.

At Mercersburg Inn, guests have a variety of leisure amenities to enjoy during their stay. They can start by indulging in some skiing or relaxing in the spa tub or hot tub. The hotel also offers a sun deck for guests to soak up the sun and unwind.

For dining options, guests can experience a meal at the hotel's onsite restaurant, Byron's Dining Room. Offering a traditional and romantic ambiance, the restaurant serves American cuisine to cater to different tastes.

To explore the surrounding area, the hotel provides amenities such as bicycle rental, walking tours, and bike tours. Guests can also enjoy outdoor activities like hiking and take advantage of the pool table, playground, and board games/puzzles available for their entertainment.

Overall, guests at Mercersburg Inn can spend their time enjoying a range of leisure amenities both within the hotel and in the surrounding area.