Stensjön, Tyresta

Lake Forest lake within Tyresta National Park

A lake within Tyresta National Park south of Stockholm, popular with day hikers from the city for marked trails, swimming and forest scenery.

Main image

Stensjön is a lake located within Tyresta National Park in Stockholm County, Sweden and is part of the protected forest and lake landscape of the park. The lake is a common natural feature encountered on hiking routes through Tyresta.

Hikers encounter well-marked trails that pass the lake, with opportunities for short walks, nature observation and seasonal swimming where permitted. The surrounding old-growth forest, clear water and rocky shoreline make it a representative example of the park’s natural character.

Tyresta National Park was established to protect the area’s forests and freshwater systems, and Stensjön has been managed as part of that protected area to conserve its natural values. The park preserves typical southern Scandinavian forest and lake habitats.

The lake sits within Tyresta National Park about 20 kilometres southeast of central Stockholm. It is accessible by public transport and park trails from the suburbs to the southeast of the city.

  • Trails and access: Located inside Tyresta National Park, the lake is reached via marked hiking trails and is a common stop on short circuits through the park.
  • Distance from Stockholm: Situated roughly 20 kilometres southeast of central Stockholm, it is one of several lakes in Tyresta used for day hikes and swimming in summer.
Stensjön, Tyresta
Tyresta National Park (access via Tyresta By visitor centre), Stockholm County, Sweden
59.1833, 18.3119

How to Get to Stensjön, Tyresta #

Tyresta National Park is about 20-30 km south-east of central Stockholm. From Stockholm take bus 807 from Gullmarsplan toward Tyresta By; the visitor centre is the main access point. There is parking at Tyresta By for those driving.

Tips for Visiting Stensjön, Tyresta #

  • Arrive via Tyresta National Park visitor centre if combining the lake with wider park trails; follow marked routes to avoid fragile vegetation.
  • The path around the lake can be muddy after rain - local trail shoes with good grip are sensible.
  • Bring a small bird guide: warblers and woodpeckers are common and often missed by casual walkers.

Best Time to Visit Stensjön, Tyresta #

Summer for hiking and swimming; autumn for foliage and quieter paths.

Summer
June-August · 15-25°C (59-77°F)
Lush forests and comfortable hiking conditions; busiest season for day visitors.
Autumn
September-October · 5-12°C (41-54°F)
Colorful foliage and quieter trails; excellent for photography and mushroom foraging (observe local rules).

Weather & Climate near Stensjön, Tyresta #

Climate

Stensjön, Tyresta'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 -5°C to 21°C. Moderate rainfall (618 mm/year).

Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
28°
Warmest Month
-18°
Coldest Month
Monthly Conditions

January

January is freezing with highs of 0°C and lows of -4°C. Moderate rainfall (47 mm) and mostly overcast skies.

35 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-5°
92%
Humidity
Very Humid

Weather

47 mm
Rainfall
5.0 m/s
Wind
Light Breeze
0.0
UV Index
Low
6.7h daylight

February

February is the coldest month with highs of 0°C and lows of -5°C. Moderate rainfall (33 mm) and mostly overcast skies.

37 Poor

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-5°
92%
Humidity
Very Humid

Weather

33 mm
Rainfall
4.7 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.0h daylight

March

March is cold with highs of 3°C and lows of -3°C. Moderate rainfall (37 mm) and mostly overcast skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
-3°
88%
Humidity
Very Humid

Weather

37 mm
Rainfall
4.5 m/s
Wind
Light Breeze
0.2
UV Index
Low
11.6h daylight

April

April is cold with highs of 8°C and lows of 0°C. Moderate rainfall (37 mm) and partly cloudy skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
83%
Humidity
Very Humid

Weather

37 mm
Rainfall
4.2 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
14.3h daylight

May

May is cold with highs of 14°C and lows of 4°C. Moderate rainfall (31 mm) and partly cloudy skies.

62 Good

Comfort

Feels Like Cold
C
Temperature
14°
81%
Humidity
Very Humid

Weather

31 mm
Rainfall
4.2 m/s
Wind
Light Breeze
1.0
UV Index
High
16.8h daylight

June

June is cool with highs of 19°C and lows of 9°C. Moderate rainfall (57 mm) and partly cloudy skies.

70 Very Good

Comfort

14°
Feels Like Cool
14°C
Temperature
19°
78%
Humidity
Very Humid

Weather

57 mm
Rainfall
4.1 m/s
Wind
Light Breeze
1.3
UV Index
High
18.2h daylight

July

July is cool with highs of 21°C and lows of 12°C. The wettest month with 71 mm of rain and partly cloudy skies.

70 Very Good

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 21°
77%
Humidity
Very Humid

Weather

71 mm
Rainfall
3.9 m/s
Wind
Light Breeze
1.3
UV Index
High
17.5h daylight

August

August is cool with highs of 20°C and lows of 11°C. Moderate rainfall (60 mm) and partly cloudy skies.

70 Very Good

Comfort

16°
Feels Like Cool
16°C
Temperature
11° 20°
79%
Humidity
Very Humid

Weather

60 mm
Rainfall
4.0 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
15.3h daylight

September

September is cool with highs of 15°C and lows of 8°C. Moderate rainfall (63 mm) and mostly overcast skies.

56 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
82%
Humidity
Very Humid

Weather

63 mm
Rainfall
4.4 m/s
Wind
Light Breeze
0.5
UV Index
Low
12.6h daylight

October

October is cold with highs of 10°C and lows of 4°C. Moderate rainfall (57 mm) and mostly overcast skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
87%
Humidity
Very Humid

Weather

57 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.1
UV Index
Low
10.0h daylight

November

November is cold with highs of 5°C and lows of 0°C. Moderate rainfall (66 mm) and mostly overcast skies.

42 Poor

Comfort

Feels Like Cold
C
Temperature
92%
Humidity
Very Humid

Weather

66 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.4h daylight

December

December is freezing with highs of 2°C and lows of -3°C. Moderate rainfall (59 mm) and mostly overcast skies.

35 Poor

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-3°
92%
Humidity
Very Humid

Weather

59 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.0
UV Index
Low
5.9h daylight

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