Located at a strategic point on the Meishin Expressway, Otsu Service Area boasts stunning views of Lake Biwa on both inbound and outbound journeys. The terrace and glass-enclosed dining area offer views of the lake and the Hiei and Hira ridgelines, making for stunning photos in the clear morning air and the magic hour at dusk. Equipped with amenities such as free rest areas, a nursing room, a baby care room, and multi-purpose restrooms, the area offers a comfortable rest stop even during long drives.

The food court and specialty shops offer a wide selection of dishes, from Omi beef steak bowls and beef rice to Omi chicken oyakodon (champon), udon and soba noodles, and sweets. Takeout coffee, freshly baked bread, and Shiga-made confections like baumkuchen make popular souvenirs. There are also many seasonal menus and fairs, making it fun to return to the area. Snacks, rice balls, and energy drinks are also available for drivers, making it convenient for short pit stops.

The merchandise corner offers a wide selection of Shiga and Kansai souvenirs. In addition to processed Omi beef products, lake fish tsukudani (preserved fish), funazushi-related products, Omi teas, and local baked goods, the store also offers miscellaneous goods with a Lake Biwa motif. Tourist information panels and digital signage provide information on nearby attractions and road information, making it a great place to plan your trip for a drive around Lake Biwa or to Arima, Kyoto, or Mount Hiei. There's also an entrance (Plat Park) accessible from the public road on some days, making it a popular spot for locals.

[Hidden Gems]
- The edge area of ​​the observation terrace: Relatively quiet even during peak hours, making it easy to take wide-angle photos of the lake surface and mountain ranges.