Ilgaz Mountains
| Ilgaz Mountains | |
|---|---|
| Küçükhacet Tepe (2546 m) | |
| Highest point | |
| Elevation | 2,587 m (8,488 ft) | 
| Parent peak | Büyükhacet Tepe (2587 m) | 
| Coordinates | 41°06′00″N 33°52′00″E / 41.1°N 33.866667°E | 
| Naming | |
| Native name | Ilgaz Dağları (Turkish) | 
| Geography | |
| Location | Paphlagonia, Anatolia, Turkey | 
| Parent range | Pontic Mountains | 
Ilgaz Mountains (Turkish: Ilgaz Dağları; Ancient Greek: Ὄλγασσυς, romanized: Olgassys) is a mountain range in northwest Anatolia, Turkey. It belongs to the Pontic Mountains system.