Černé jezero Lake

Glacial mountain lake in Šumava, dramatic dark waters

Černé jezero, the Czech Republic's largest natural lake in the Bohemian Forest, formed by glacial action; hikers follow lakeside paths and viewpoints on the surrounding Šumava slopes.

Main image

Černé jezero at a Glance#

Address: Černé jezero (Black Lake), Šumava region - near Železná Ruda, Czech Republic

Admission: Free (natural site within Šumava / surrounding protected area)

How to Get to Černé jezero#

Černé jezero (the Black Lake) is in the Šumava (Bohemian Forest) near the town of Železná Ruda. The usual approach is by car to Železná Ruda / Špičák (regional roads from Klatovy or from the German border) and then on foot via marked hiking trails: from the Železná Ruda / Špičák parking areas the trail to the lake is a short hike of roughly 1-2 km on well-marked paths. Trains and local buses serve Železná Ruda, from which the lake is reached on foot or by a short local transfer.

Best Time to Visit Černé jezero#

The best time to visit Černé jezero is summer for easy access and hiking; autumn is good for quieter visits and winter brings snow and ice.

Summer
Jun-Aug · 10-20°C
The warmest and most accessible season for walking around the lake and nearby trails, with the highest number of visitors.
Autumn
Sep-Oct · 0-15°C
Cooler temperatures and autumn colours make for pleasant, less-crowded visits; weather can be changeable.
Winter
Nov-Feb · -5-5°C
Cold and snowy conditions are common; the lake area is quieter and some paths may be snowy or icy.

Weather & Climate near Černé jezero#

Climate

Černé jezero's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -6°C to 18°C. Abundant rainfall (1247 mm/year), wettest in July.

Air Quality: AQI 28 Good
Best Time to Visit
AugustJulyJune
Temperature & Rainfall
Temperature Range
34°
Warmest Month
-24°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -6° - 0° -9° 113 mm overcast 95% 5.2 m/s 0.1 low 8.5h
February Poor -6° - 0° -8° 85 mm overcast 92% 4.8 m/s 0.2 low 9.9h
March Poor -4° - 3° -5° 99 mm overcast 85% 4.9 m/s 0.4 low 11.7h
April Poor -1° - 7° -1° 77 mm partly cloudy 78% 4.1 m/s 0.8 moderate 13.6h
May Acceptable 4° - 13° 6° 88 mm overcast 77% 3.9 m/s 1.2 high 15.2h
June Good 7° - 16° 11° 123 mm overcast 75% 3.5 m/s 1.4 high 16.0h
July Good 9° - 17° 13° 142 mm partly cloudy 73% 3.6 m/s 1.4 high 15.6h
August Good 9° - 18° 13° 109 mm partly cloudy 73% 3.4 m/s 1.2 high 14.2h
September Acceptable 6° - 14° 8° 94 mm partly cloudy 78% 3.9 m/s 0.7 moderate 12.4h
October Acceptable 2° - 9° 2° 86 mm overcast 86% 4.3 m/s 0.3 low 10.6h
November Poor -2° - 3° -4° 99 mm overcast 92% 4.7 m/s 0.1 low 8.9h
December Poor -5° - 1° -8° 132 mm overcast 94% 5.2 m/s 0.1 low 8.0h

Nearby Attractions to Černé jezero#