# Opal Hotel, Idar-Oberstein

Roost Score **6.37/10**, from a guest rating of 6.7
across 1,174 reviews. 20 September 2026.

| Component | Value |
|---|---|
| Guest rating as published | 6.7 |
| Reviews behind it | 1,174 |
| Country mean | 8.328 |
| After evidence weighting | 6.767 |
| Country re-basing weight | 0.3 |
| **Roost Score** | **6.37** |

---
Source: HotelRoost — https://hotelroost.com/hotels/germany/idar-oberstein/opal-hotel
Retrieved: 20 September 2026
Scoring method: /methodology