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Poland

Warmian-Masurian Voivodeship

powiat kętrzyński

Srokowo

Upper Leśniewo Lock – The Giant Bunker in Mamerki loop from Leśniewo

Routes

Hiking trails & Routes

Poland

Warmian-Masurian Voivodeship

powiat kętrzyński

Srokowo

Upper Leśniewo Lock – The Giant Bunker in Mamerki loop from Leśniewo

Moderate

4.9

(9)

hikers

Upper Leśniewo Lock – The Giant Bunker in Mamerki loop from Leśniewo

04:45

18.4km

90m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 17, 2026

Waypoints

Start point

Parking

Get Directions

1.91 km

Upper Leśniewo Lock

Highlight • Monument

The lock in Leśniewo is one of as many as 10 locks that were to be built on the Masurian Canal, a huge undertaking of the Prussian state at the …

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5.16 km

Railway Bridge over the Masurian Canal

Highlight • Bridge

This bridge is on the Kętrzyn–Węgorzewo railway line, which was launched on 1 July 1907 on a section of 33.3 km. The construction of most of the accompanying railway infrastructure …

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8.28 km

Masurian Canal

Highlight • River

The first construction projects date back to 1862/1864. They were modified several times.
The purpose of the construction was to drain water from the Great Masurian Lakes to the Pregolya …

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9.22 km

Marina at Lake Mamry

Highlight • Harbor

From here you can explore Mauerwald or just chill, great water and a snack await you.
Nice little camp spot..

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10.2 km

The Giant Bunker in Mamerki

Highlight • Historical Site

Mamerki
Headquarters of the Supreme Command of Land Forces (OKH) "Anna"
Headquarters of the Supreme Command of Land Forces (OKH)
and the Land Forces Quartermaster "Anna"
it is located 18 …

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10.3 km

Mamerki - Zone III Brigitten Stadt

Highlight • Historical Site

Mamerki
Headquarters of the Supreme Command of Land Forces (OKH) "Anna"
Headquarters of the Supreme Command of Land Forces (OKH)
and the Land Forces Quartermaster "Anna"
it is located 18 …

Translated by Google •

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10.5 km

Mamerki Bunker Museum – Former Headquarters of the German Army 1941–1944

Highlight • Historical Site

The tour is worth it, it gives madness a face.

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10.5 km

Communications bunkers

Highlight • Structure

Mamerki
Headquarters of the Supreme Command of Land Forces (OKH) "Anna"
Headquarters of the Supreme Command of Land Forces (OKH)
and the Land Forces Quartermaster "Anna"
it is located 18 …

Translated by Google •

Tip by

18.4 km

End point

Parking

Way Types & Surfaces

Way Types

7.29 km

5.02 km

4.95 km

1.18 km

Surfaces

8.57 km

3.65 km

2.74 km

2.67 km

518 m

282 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Tuesday 1 September

18°C

13°C

80 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Comments

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Upper Leśniewo Lock – The Giant Bunker in Mamerki loop from Leśniewo

Upper Leśniewo Lock

Railway Bridge over the Masurian Canal

Masurian Canal

Marina at Lake Mamry

The Giant Bunker in Mamerki

Mamerki - Zone III Brigitten Stadt

Mamerki Bunker Museum – Former Headquarters of the German Army 1941–1944

Communications bunkers

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