Bolu Mountain Pass (D655)
Turkey, europe
55 km
1,500 m
easy
September to November, May to June
# The Bolu Mountain Pass: Turkey's Best-Kept Scenic Drive
If you're heading between Ankara and Istanbul, skip the tunnel under the Bolu Mountains and take the old D655 road instead—seriously. You'll climb through some seriously lush landscape to around 1,500 meters, winding through dense forests of black pine, fir, and beech that feel more Alpine than Turkish.
This region is genuinely one of Turkey's greenest spots, with a climate that'll remind you way more of Central Europe than the dusty Anatolian plains you might be picturing. The road curves right through Abant Nature Park and the Bolu Mountain forests in a way that makes every kilometer feel special.
The real star, though? The Yedigoller (Seven Lakes) National Park. Seven small lakes nestle in a forested valley—they're actually landslide-formed, which is pretty cool geologically—and when autumn rolls around, the show is unreal. We're talking New England-level color displays here: reds, oranges, and golds mixed throughout the coniferous and deciduous forest. It's genuinely stunning.
Oh, and fair warning for food lovers: Bolu has a serious culinary reputation throughout Turkey. The whole region is famous for its cuisine, and there's even a culinary school here. So don't expect to drive through hungry—you'll want to stop and eat.
Where is it?
Bolu Mountain Pass (D655) is located in Western Black Sea, Turkey (europe). Coordinates: 40.7306, 31.6089
Driving Tips
# Road Trip Tips for This Route
Hit this road in autumn if you want those jaw-dropping fall colors – seriously, it's stunning. If you've got time, swing by Yedigoller (Seven Lakes) National Park for some solid hiking. The scenery is worth the detour.
While you're out there, grab some local Bolu cuisine. The mengen soup is legit – definitely try it if you get the chance.
Fair warning though: winters here get pretty heavy with snow, so make sure you check road conditions before heading out during that season. You don't want to get caught off guard!
Road Surface
Paved asphalt
Road Details
- Country
- Turkey
- Continent
- europe
- Region
- Western Black Sea
- Length
- 55 km
- Max Elevation
- 1,500 m
- Difficulty
- easy
- Surface
- Paved asphalt
- Best Season
- September to November, May to June
- Coordinates
- 40.7306, 31.6089
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