Toyama Bay Sushi (富山湾鮨)Toyamawan-zushi
A seasonal set menu using only locally-landed Toyama Bay fish. The composition changes by restaurant and by season, but the rules are strict: all fish from Toyama Bay; all rice from Toyama Prefecture; each piece served with a proper explanation.
The most reliable way to eat serious local sushi without booking a ¥30,000 omakase. Ask any participating restaurant for the “Toyama Bay Sushi” set (~¥3,500–¥5,500). The official site lists participating restaurants by tram-line stop.