Last update February 12, 2026
Yedigoller is a natural park and destination located in Bolu Province, in the Black Sea region of Turkey. It is known as a forest and lake area offering scenic landscapes and outdoor activities. Geographically, Yedigoller lies in the northwestern part of Turkey, approximately midway between the capital Ankara and the largest city Istanbul. It is part of Turkey’s inland mountainous terrain with forested valleys and multiple mountain lakes.
The destination consists mainly of seven interconnected lakes surrounded by dense woodlands. Yedigoller is recognized for its natural ecosystem, distinctive ecosystems, and limited built infrastructure that supports ecotourism and nature-based recreation.
Yedigoller is not an urban center but a protected natural park area with supporting facilities located in nearby towns.
The best time to visit Yedigoller is during the spring, summer, and early autumn months from April through October. During this period, weather conditions range from mild to warm, and the area is accessible for outdoor activities. Winters can be cold with snowfall, limiting access and hiking possibilities.
| Season | Months | Weather Conditions | Crowd Levels |
|---|---|---|---|
| Spring | April – June | Mild temperatures, occasional rain | Low to medium |
| Summer | July – August | Warm, dry weather | Medium |
| Autumn | September – October | Cooler temperatures, dry | Low |
| Winter | November – March | Cold, snow-covered terrain | Very low (limited access) |
Yedigoller is accessible from several major cities via road. The nearest city with transport connections is Bolu city center. Public transportation is limited; most travelers access Yedigoller by car or organized tours. The park entrance is approximately 32 kilometers from Bolu city.
A protected natural area consisting of seven interlinked mountain lakes and surrounding forests. Classified as a nature reserve and ecological site. Typical visit duration: 3 to 6 hours to one full day depending on activities.
A group of seven small lakes formed in valleys, including Incegöl, Seringöl, Deringöl, Nazlıgöl, Sazlıgöl, İncegöl, and Büyükgöl. Natural freshwater lakes situated at different elevations. Visit duration: 2 to 4 hours for walking and viewing.
Marked trails running through the forested park connecting lakes and lookout points. Classified as outdoor activity routes. Visit duration: variable, from 1 hour short hikes to full-day circuit hikes.
Designated open spaces near lakes for day use and camping. Basic amenities provided. Visit duration: flexible, ranging from 1 hour to overnight stays.
A typical visit to Yedigoller ranges from a half day for brief sightseeing and a short hike to 1 full day to cover several lakes and walking trails. Visitors interested in camping or extended hiking can stay 2 to 3 days. Park opening hours and weather may affect visit duration.
| Climate | Temperate oceanic climate, mild summers, cold snowy winters |
|---|---|
| Seasonality Notes | Accessible April to October; winters with snow limit park access and activities |
| Crowd Levels | Medium during summer; low during spring and autumn; minimal in winter |
| Constraints or Limitations | No mass transit inside park, limited signage, park closes during heavy snowfall |
Visitors to Yedigoller are primarily nature and outdoor enthusiasts who seek hiking, camping, and ecological tourism. It also attracts photographers and wildlife observers. Urban tourists looking for scenic natural areas typically plan day or multi-day trips here.
At minimum, one full day is recommended to explore the lakes and do short hikes. A half-day visit is possible for quick sightseeing. Visitors interested in camping or extensive hiking should allocate 2 to 3 days to experience the area fully.
Yedigoller is generally safe for visitors with standard outdoor precautions. There are no specific recorded safety issues beyond typical natural area risks like uneven terrain and wildlife. Visitors should follow park rules and weather advisories.
The best time is from April to October when weather conditions allow hiking and outdoor activities. Summer months offer warmer and drier weather but slightly higher visitor numbers. Winter visits are limited due to snow and road closures.