# Suminoe Ryokan, Onomichi

Roost Score **8.61/10**, from a guest rating of 9.2
across 231 reviews. 20 September 2026.

| Component | Value |
|---|---|
| Guest rating as published | 9.2 |
| Reviews behind it | 231 |
| Country mean | 8.591 |
| After evidence weighting | 9.092 |
| Country re-basing weight | 0.3 |
| **Roost Score** | **8.61** |

---
Source: HotelRoost — https://hotelroost.com/hotels/japan/onomichi/suminoe-ryokan
Retrieved: 20 September 2026
Scoring method: /methodology