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Routes
Hiking trails & Routes
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

5.0

(6)

18

hikers

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

04:44

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: April 15, 2026

Waypoints

A

Start point

Parking

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1

1.25 km

Impassable Path by the Stream

Highlight • River

You can't really get any further here, so back we go and along the road.

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2

1.99 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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3

5.24 km

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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4

8.36 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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5

9.42 km

Bunker Entrance

Highlight • Structure

Sometimes it is useful to have your own flashlight

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6

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 …

Translated by Google •

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7

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 •

Tip by

8

10.4 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

B

18.4 km

End point

Parking

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Way Types & Surfaces

Way Types

6.51 km

5.38 km

5.26 km

1.23 km

Surfaces

8.37 km

3.65 km

3.10 km

2.47 km

518 m

282 m

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Elevation

Elevation

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

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Weather

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Tuesday 19 May

22°C

8°C

-- %

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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