Byglandsfjorden

Lake Long inland fjord-like lake in Agder, Norway

Byglandsfjorden lies in Norway’s Setesdal valley: a long narrow lake used for boating, fishing and summer cabins. Visitors come for quiet waters, valley scenery and access to nearby hiking routes.

Main image

Byglandsfjorden is a long freshwater lake in the Setesdal valley of Agder county, southern Norway, forming part of the Otra river system. The lake lies within a rural valley landscape and has long been used for local transport and lakeside settlement.

The lakeshore has small villages, piers and wooden boathouses and is used for fishing, boating and summer recreation. Heritage boat services and seasonal steamer excursions operate on the lake, reflecting its historical role as a transport corridor in the valley.

Settlements along the lake developed around traditional farming and river transport; wooden steamers and ferries were important in the 19th and early 20th centuries for moving people and goods before roads improved. The heritage steamers that run today preserve and demonstrate that transport history.

The lake lies in the Setesdal valley of Agder county, with the municipality centre of Bygland on its shore; the valley runs inland from the southern Norwegian coast and is surrounded by forested hills and rocky outcrops.

  • Heritage steamer: A heritage wood-fired steamer operates seasonally on the lake as a tourist attraction and reminder of the valley's historical transport routes.

What to See #

  • Bygland village: The village of Bygland on the northern shore serves as a local service centre and pier for boats and ferries on the lake.
  • Ose and lakeside settlements: The lakeside village of Ose and other small settlements provide access points, walking routes and boat landings along the fjord-like lake.
Byglandsfjorden
Byglandsfjorden, Agder, Norway
58.8011, 7.7807

How to Get to Byglandsfjorden #

Byglandsfjorden is in Agder county and is accessible by road from the E39 and other regional roads through Setesdal. The nearest larger towns with rail connections are Kristiansand and Arendal; from there, drive or take regional buses into the valley.

Tips for Visiting Byglandsfjorden #

  • If possible, take a ride on the historic steamer SS Bjoren (seasonal) that links local communities across the lake.
  • Bring insect repellent in summer - lakeside marshes can bring gnats and mosquitoes at dusk.
  • Explore the surrounding small villages to see traditional wooden boatbuilding and local crafts.

Best Time to Visit Byglandsfjorden #

Best visited in summer for boating and long days; shoulder seasons offer tranquillity and lower prices.

Summer
June-August · 12-22°C
Best weather for boating and hiking; long daylight hours.
Late spring-early autumn
May-September · 8-18°C
Good for fishing, boat trips and quieter village visits.

Weather & Climate near Byglandsfjorden #

Climate

Byglandsfjorden's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -6°C to 21°C. Abundant rainfall (1345 mm/year), wettest in October.

Best Time to Visit
JulyJuneAugust
Temperature & Rainfall
Temperature Range
25°
Warmest Month
-26°
Coldest Month
Monthly Conditions

January

January is freezing with highs of 0°C and lows of -5°C. Significant rainfall (131 mm) and mostly overcast skies.

26 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-5°
98%
Humidity
Very Humid

Weather

131 mm
Rainfall
2.5 m/s
Wind
Calm
0.0
UV Index
Low
6.9h daylight

February

February is the coldest month with highs of 0°C and lows of -6°C. Regular rainfall (90 mm) and mostly overcast skies.

30 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-6°
98%
Humidity
Very Humid

Weather

90 mm
Rainfall
2.4 m/s
Wind
Calm
0.1
UV Index
Low
9.1h daylight

March

March is cold with highs of 4°C and lows of -3°C. Regular rainfall (92 mm) and mostly overcast skies.

41 Poor

Comfort

Feels Like Cold
C
Temperature
-3°
97%
Humidity
Very Humid

Weather

92 mm
Rainfall
2.5 m/s
Wind
Calm
0.3
UV Index
Low
11.6h daylight

April

April is cold with highs of 9°C and lows of 0°C. Moderate rainfall (59 mm) and mostly overcast skies.

45 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

59 mm
Rainfall
2.5 m/s
Wind
Calm
0.6
UV Index
Moderate
14.2h daylight

May

May is cold with highs of 15°C and lows of 5°C. Moderate rainfall (74 mm) and mostly overcast skies.

55 Acceptable

Comfort

10°
Feels Like Cold
10°C
Temperature
15°
82%
Humidity
Very Humid

Weather

74 mm
Rainfall
2.5 m/s
Wind
Calm
1.0
UV Index
High
16.6h daylight

June

June is cool with highs of 19°C and lows of 9°C. Regular rainfall (86 mm) and mostly overcast skies.

61 Good

Comfort

14°
Feels Like Cool
14°C
Temperature
19°
80%
Humidity
Very Humid

Weather

86 mm
Rainfall
2.6 m/s
Wind
Calm
1.3
UV Index
High
17.9h daylight

July

July is cool with highs of 21°C and lows of 11°C. Regular rainfall (88 mm) and mostly overcast skies.

63 Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 21°
83%
Humidity
Very Humid

Weather

88 mm
Rainfall
2.4 m/s
Wind
Calm
1.3
UV Index
High
17.2h daylight

August

August is cool with highs of 20°C and lows of 11°C. Significant rainfall (115 mm) and mostly overcast skies.

61 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 20°
87%
Humidity
Very Humid

Weather

115 mm
Rainfall
2.1 m/s
Wind
Calm
0.9
UV Index
Moderate
15.1h daylight

September

September is cool with highs of 15°C and lows of 8°C. Significant rainfall (148 mm) and mostly overcast skies.

49 Poor

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
91%
Humidity
Very Humid

Weather

148 mm
Rainfall
2.3 m/s
Wind
Calm
0.5
UV Index
Low
12.6h daylight

October

October is cold with highs of 9°C and lows of 4°C. The wettest month with heavy rain (170 mm) and mostly overcast skies.

45 Poor

Comfort

Feels Like Cold
C
Temperature
94%
Humidity
Very Humid

Weather

170 mm
Rainfall
2.2 m/s
Wind
Calm
0.2
UV Index
Low
10.0h daylight

November

November is cold with highs of 4°C and lows of 0°C. Significant rainfall (161 mm) and mostly overcast skies.

35 Poor

Comfort

Feels Like Cold
C
Temperature
97%
Humidity
Very Humid

Weather

161 mm
Rainfall
2.2 m/s
Wind
Calm
0.0
UV Index
Low
7.6h daylight

December

December is freezing with highs of 1°C and lows of -4°C. Significant rainfall (131 mm) and mostly overcast skies.

26 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-4°
98%
Humidity
Very Humid

Weather

131 mm
Rainfall
2.3 m/s
Wind
Calm
0.0
UV Index
Low
6.2h daylight

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