Unagi no Yado Sumiyoshi
A venerable eel restaurant founded over 70 years ago, tucked behind Zenkoji Temple in northern Nagano. Live eels from Isshiki, Aichi are butchered in-house and grilled Edo-style over special charcoal with a secret tare sauce passed down since opening. Thick, fluffy meat with subtly sweet sauce. 30 parking spaces available. Takeout available. Tabelog 3.56 with 138 reviews, 3,154 saves. A beloved institution near Zenkoji Temple.
Reviews say 'This is the place for eel in Nagano', 'The depth of the sauce passed down since opening', 'Thick, fluffy - this is the real thing', 'I come here every time after Zenkoji pilgrimage'. Tabelog 3.56/138, 3,154 saves. Retty 38 reviews, 303 'want to go'.