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Steinninn CC BY-SA 4.0 Wikimedia Commons

Blöndulón

Reservoir

Blöndulón is a large highland reservoir in northwestern Iceland; anglers and highland travelers use the gravel roads for fishing, and the water lies against volcanic plateaus and lava fields.

Blöndulón AkureyriSauðárkrókurMývatnDrangeyGoðafossDimmuborgirSvínavatnBlöndulónBlöndulón

Blöndulón essentials

Address: Blöndulón reservoir area, Northwestern Region, Iceland
Admission: No admission to the dam itself; regulated discharges and power-plant visits may have fees
When to Go

Best Time to Visit Blöndulón

Summer months are easiest for access; roads to highland reservoirs can close in winter due to snow and ice.

Summer
June-August · 5-15°C
Milder weather, accessible roads and long daylight for exploring the highland plateau.
Late spring-early autumn
May-September · 0-12°C
Best balance of accessibility and reasonable weather for highland excursions.

Weather & Climate near Blöndulón

Climate

Blöndulón's climate is classified as Tundra - Tundra climate with cold summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -8°C to 11°C. Moderate rainfall (611 mm/year).

Air Quality: AQI 17 Good
Best Time to Visit
JuneJulyAugust
Temperature & Rainfall
Temperature Range
18°
Warmest Month
-23°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Poor -7° - -1° -12° 52 mm overcast 97% 7.4 m/s 0.0 low 4.4h
February Poor -8° - -2° -12° 52 mm overcast 96% 7.3 m/s 0.0 low 8.0h
March Poor -7° - -1° -11° 54 mm overcast 96% 7.1 m/s 0.2 low 11.5h
April Poor -5° - 1° -8° 38 mm overcast 93% 6.3 m/s 0.6 moderate 15.0h
May Poor 0° - 6° -2° 35 mm overcast 89% 5.7 m/s 0.9 moderate 18.6h
June Acceptable 3° - 10° 3° 49 mm overcast 87% 5.0 m/s 1.1 high 21.3h
July Acceptable 6° - 11° 6° 51 mm overcast 88% 4.9 m/s 0.9 moderate 19.8h
August Acceptable 5° - 11° 5° 61 mm overcast 90% 4.7 m/s 0.6 moderate 16.3h
September Poor 2° - 7° 1° 53 mm overcast 93% 5.4 m/s 0.3 low 12.8h
October Poor -2° - 3° -5° 66 mm overcast 96% 5.5 m/s 0.1 low 9.3h
November Poor -5° - 1° -8° 45 mm overcast 97% 6.0 m/s 0.0 low 5.7h
December Poor -7° - -1° -11° 55 mm overcast 97% 6.7 m/s 0.0 low 2.8h
Getting There & Around

How to Get to Blöndulón

Accessible by highland roads from Route 1 and interior tracks; many F-roads approach the area and require a 4x4. Check road conditions and local guidance before attempting travel into the highlands.

Tips for Visiting Blöndulón

  • Check dam release schedules before visiting - hydropower plants have periodic discharges that change conditions dramatically.
  • The area can be geothermally active and weather-changeable; bring warm layers and waterproofs.
  • If interested in hiking, pick signed paths and local guides - the highlands can be boggy and routefinding is tricky.