Shiga

Shiga is the prefecture that gave Japan its first sushi and yet has no coastline at all. Wrapped around Lake Biwa (琵琶湖), Japan’s largest and oldest freshwater lake, this is the home of funazushi — crucian carp packed in rice and salt and left to ferment for a year or more — the ancient nare-zushi from which every modern nigiri descends. To eat funazushi is to taste the origin of the whole tradition: sharp, cheesy, profoundly alive. But it is not the food this guide chases. For the counter omakase we map, Shiga begins from a hard fact: every sea fish must travel here, from Wakasa Bay, from Osaka, from the great Toyosu hub. There is no zero-mile catch to lean on.

That absence is the whole story of sushi in Shiga, and the honest counters answer it in one of two ways. Some import beautifully and win on craft — a Tokyo-trained hand pressing aged fish onto carefully built rice, asking to be judged on technique rather than geography. Others turn inward, building an identity from Lake Biwa’s own fish and the rice and produce of Omi (近江). The most interesting rooms do a little of both. None of them can claim the chi-no-ri, the advantage of place, that a coastal town owns by birthright — and so this is the one regional guide where we tell you plainly: come to Shiga for the idea of sushi as much as the fish.

When to come

Shiga’s calendar is the lake’s. Late spring brings koayu (小鮎), Lake Biwa’s tiny endemic sweetfish, which at least one Nagahama chef presses into nigiri in the very form of Tokyo’s prized new-season shinko — the lake standing in for the bay. Biwamasu (ビワマス), the lake’s own landlocked trout, is at its richest from late spring into summer, its flesh a deep coral that takes beautifully to a light cure or sear. For funazushi itself there is no season at the counter — it is a preserved food, available year-round — but the prefecture’s lake-fish cookery, like its celebrated Omi beef (近江牛), reads warmest in the cooler months. If you are building a trip, spring is the moment the lake speaks loudest through the sushi.

How to use the prefecture

Shiga is long and thin, strung along the lake’s southern and eastern shores, and its counters cluster at three stops on the JR Biwako Line. Otsu, the lakeside capital fifteen minutes from Kyoto, holds Sushi Ogawa — an eight-seat, counter-only Edomae room where a Tokyo-trained chef builds a red-vinegar shari on local Omi rice; it is the prefecture’s most committed nigiri-first counter. The Kusatsu corridor, a few stops south, offers the everyday end of the spectrum: Sushi Seiji, a value-led sushi-kaiseki room inside a revived sake brewery, and Oboro, which reaches hardest for an “Omi-mae” identity built on lake fish and a nigiri-forward counter course. North, near the old castle town of Nagahama, sits Kyogoku Sushi — a three-generation house whose chef trained in Sapporo, Tokyo, and Fukui before coming home to press Lake Biwa’s fish into Edomae form; it has the single most distinctive sushi identity in the prefecture, and a deep, devoted following.

A note on honesty and planning. Several of these counters sit inside larger houses with table rooms and private tatami — so the still, eight-seat intimacy this guide prizes is something you should request explicitly, by booking the counter or the counter-only course, rather than assume. Prices and photography policies in Shiga are lightly published and shift, especially in the prefecture’s younger rooms; confirm both when you reserve, using the booking scripts in our guides. Every recommendation here is not yet visited — the curation is database-driven and says so plainly. Shiga will never out-source a coastal prefecture, and we will not pretend otherwise. What it offers instead is rarer: a chance to taste where sushi came from, and to watch a handful of serious chefs make honest nigiri without a sea.