begüm Just 40 km from Bolu city center, Yedigöller (Seven Lakes) is a must-see for nature lovers and one of the best places near Istanbul. You can camp here or enjoy scenic hiking trails. The park includes Deringöl, Büyükgöl, Seringöl, Waterfall, Smiling Rocks, Dilek Fountain, Nazlıgöl, İncegöl, Reed Lake, and the Pythagorean Tree.
Where is Yedigöller?
Yedigöller National Park, located in Bolu province, close to major cities like Istanbul and Ankara, offers a perfect escape into nature. Located in the Mengen district, the park takes its name from the seven lakes within the park.
When to Visit Yedigöller?
The best time to visit is during spring and autumn, when the park’s natural beauty is at its peak.
If you’re asking, “Which month is best to visit Yedigöller? Can I go in winter? When do the leaves fall?”, the answer is that each season has its own charm, but autumn is the most popular. During autumn, the trees turn yellow, orange, and red, transforming Yedigöller into a stunning natural painting.
The best time to visit is generally between April and November, when temperatures usually range from 10–20°C. If you plan to visit in autumn or winter, be prepared for colder weather and bring warm clothing.
Yedigöller National Park Camping Area
Camping in Yedigöller is a great option for those looking to spend a holiday surrounded by nature. Camping is permitted only in the large area between Deringöl and Büyükgöl in the park. This area offers basic amenities such as restrooms, fountains, and picnic tables. However, fires are prohibited in the campsite; portable stoves can be used instead.
Seven Lakes Accommodation and Fees
You can stay in a bungalow or camp in Yedigöller.
Tent accommodation costs: 200 TL,
Starting from 3250 TL for Psagor Evler.
Starting from 3445 TL for Nazlı Evler.
Starting from 3640 TL for Serin Evler.
For other accommodation options in Yedigöller, see Click here!
Bolu Yedigöller Entrance Fee 2025
Yes, entrance fees are paid with HGS. For 2025:
Person: 35 ₺
Motorcycle: 70 ₺
Car/Pickup Truck: 105 ₺
Minibus: 315 ₺
Midibus: 525 ₺
Bus: 1050 ₺
Places to Visit in Yedigöller
- 1Cool Lake
- 2Big Lake
- 3Deep Lake
- 4Coy Lake
- 5Dry Lake
- 6Thin Lake
- 7Reed Lake
- 8Waterfall
- 9Wishing Fountain
- 10Psagor Tree
- 11Laughing Rocks
- 12Psagor Houses
- 13Atmaca Observation Deck
- 14Kapankaya Observation Deck
Serin Lake
Located in Bolu’s National Park, Serin Lake, with a depth of 2.5 meters, takes its name from its cool waters. Even in summer, the lake’s water is quite cold. Hiking trails surround the lake, and it’s also right next to Sincap Cafe.
Büyük Göl
Büyükgöl is the largest lake in Yedigöller National Park. It’s the perfect spot for some stunning photos. Büyükgöl has an average depth of 13 meters, with a deepest point of 15 meters. Büyükgöl is a glacial lake, with crystal clear, cold waters. It’s home to a variety of fish species, including trout and carp.
Derin Lake
Nazlıgöl is located just southeast of Büyük Gölü. Derin Lake has a maximum depth of 10 meters. While its name suggests deep, it’s often referred to as the deepest big lake. It’s also the second location where some stunning photos were taken. It’s also the closest lake to the tent camping area. It’s also located closest to picnic tables and public restrooms.
Nazlı Göl
Nazlıgöl is also known as Şelalegöl (Waterfall Lake) because of the water seeping from its bottom, which forms a waterfall. Nazlıgöl is approximately 16,000 square meters wide. There are camping areas in the surrounding area.
Kurugöl (Dry Lake)
Kurugöl (Dry Lake), so named because it is dry for most of the year, is located right next to Lake Nazlı.
İnce Göl
İncegöl is the first lake you encounter when you enter the national park. It’s a long, thin lake, measuring over a thousand square meters across. It’s arguably the smallest of the Seven Lakes of Bolu.
Sazlıgöl (Reedy Lake)
Sazlıgöl (Reedy Lake), located a few minutes’ walk behind İncegöl, is a 6,000-square-meter lake surrounded by reeds, as its name suggests.
Waterfall
Located in Bolu’s Yedigöller National Park, the waterfall can be reached on foot from across the Büyük Gölü (Big Lake). The icy water cascades down from above, and you’ll immediately feel the coolness. It has a wonderful atmosphere. You can also visit the Wishing Fountain and Gülen Rocks from there.
The Wishing Fountain
The Wishing Fountain is within walking distance of the waterfall, and you can drink its water. Rumor has it that if you make a wish and drink from each of the seven fountains, your wish will come true.
The Psagor Tree
The Psagor Tree, located in Bolu Yedigöller National Park, is 50 meters from the driveway. It’s named after the two trees that meet, resembling a right triangle. Unfortunately, there are reports that the tree has collapsed.
The Smiling Rocks
The Smiling Rocks are a 15-minute walk from Lake Nazlı. They’re named after their resemblance to a smiling human face. You can stop by along the hiking trail.
Psagor Evleri
If you’re not camping in Yedigöller National Park, one of the accommodation options is the Psagor houses. They’re a good choice because of their wooden exterior, comfortable interior, and fireplace.
Atmaca Observation Terrace
Atmaca Observation Terrace is a natural wonder where you can take a short break on the road to Yedigöller and enjoy the view. You can also see Büyükgöl, one of the Yedigöller.
Kapankaya Observation Terrace
Kapankaya Observation Terrace is a great stop for a quick break on the Seven Lakes in Bolu. If you’re looking to experience the magnificent natural beauty of the Seven Lakes while you’re here, this is a fantastic spot! You can see all three lakes from this terrace.
Yedigöller Frequently Asked Questions
In which city is Yedigöller National Park?
Yedigöller National Park is located in Bolu province.
When to go to Bolu Yedigöller?
The best time to visit Bolu Yedigöller is autumn (September–November).
When is the best time to visit Yedigöller?
The best time to visit Yedigöller is autumn, especially between September and November.
How many km is it between Abant and Yedigöller?
It takes approximately 1 hour 30 minutes to 2 hours by car, depending on road conditions and traffic conditions.
Places to Visit Near Yedigöller
Bolu Gölcük Nature Park
Bolu Gölcük Nature Park, just a short distance from Bolu city center, is a paradise for nature lovers, boasting lush forests, a deep blue lake, and hiking trails. The cool weather in summer and the snow-covered scenery in winter are breathtaking. For more details, please visit our Bolu Gölcük Nature Park guide!
This concludes our article. See you in the next one.
Follow me on Instagram!
https://www.instagram.com/begumaaktas
