Zagros Mountains

Mountains Extensive Iranian mountain range with folded geology

The Zagros Mountains fold along western Iran with steep valleys, oak and pistachio forests and winter snow at altitude; visitors come for trekking, mountain villages and nomadic pastoral life.

Main image
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Bamoo mountain.jpg
Bazoft city.jpg
Bazoft Fog.jpg
Bazoft river.jpg
Biface (trihedral) Amar Merdeg, Mehran, Ilam, Lower Paleolithic, National Museum of Iran.jpg

The Zagros Mountains are a major mountain range running across western and southwestern Iran and into parts of southeastern Turkey and northern Iraq, forming a continuous belt of folded and faulted terrain. The range extends for roughly 1,500 to 1,600 kilometres and contains many peaks and plateaus rising to elevations above 2,000 metres.

A wide range of landscapes appears along the Zagros - steep folded ridges and deep valleys, karstic limestone plateaus, and broad foothills. Key visitor activities include multi-day treks, mountain driving routes, and viewing large folded outcrops and river gorges; some valleys and high passes provide panoramic views over 10s of kilometres. The range also contains important watersheds and springs that feed rivers flowing toward the Persian Gulf and the Mesopotamian plain.

The Zagros formed as the Arabian plate collided with the Eurasian plate during the Cenozoic, producing extensive folding, thrusting and uplift of sedimentary cover rocks. Over centuries the area has been used for seasonal pastoralism, agriculture in valley bottoms, and more recently for road and rail corridors that follow passes and river valleys.

Geographically the Zagros occupy the western flank of the Iranian plateau, running from southeastern Turkey and northern Iraq in the northwest to the Strait of Hormuz in the southeast. Major nearby cities include Kermanshah, Shiraz and Ahvaz on the Iranian side; the range sits between the Mesopotamian lowlands to the west and the central Iranian plateau to the east.

  • Length: Runs roughly 1,500-1,600 kilometres across southwestern Iran into parts of southeastern Turkey and northern Iraq, forming one of the main mountain chains of the Middle East.
  • When to go: Best seasons for travel and trekking are spring and autumn when temperatures are milder and many mountain routes are accessible; high ridges can retain snow into late spring.

What to See #

  • High Zagros: A higher-elevation zone of the range containing the main summits and steep folded ridges, where elevations commonly exceed 2,000 metres and alpine pastures and snowfields occur seasonally.
  • Low Zagros / Foothills: Lower-elevation foothills and folded plains that run toward the Iranian plateau and the Mesopotamian plain, characterised by gentler slopes, river valleys, and extensive folded sedimentary rocks.
Zagros Mountains
34.0139, 48.4023

Tips for Visiting Zagros Mountains #

  • Plan visits in late spring or early autumn for milder temperatures and better trekking conditions-the high summer can be hot in valleys and winter brings deep snow at elevation.
  • Use established trails and hire a local guide for remote routes-the Zagros cover vast, rugged terrain and local guides know seasonal access, nomadic routes and safer passes.
  • If interested in cultural encounters, time your visit to spring and early summer when pastoralist groups are often moving flocks through montane pastures; those seasonal movements are a living aspect of Zagros landscapes that many travelers miss.

Best Time to Visit Zagros Mountains #

Spring and early autumn are generally the best times for visiting the Zagros for hiking and comfortable mountain weather; winters are snowy at higher elevations.

Spring (best for trekking)
Mar-May · 10-25°C (valleys warmer, highlands cooler)
Mild temperatures and flowering landscapes make spring ideal for hiking and cultural visits; higher passes remain cool.
Summer
Jun-Aug · 20-35°C in valleys, 10-20°C in higher altitudes
Lowland areas can be hot; mountain ridges stay cooler - summer is popular but can be busy in accessible areas.
Winter
Dec-Feb · -10-5°C (colder at elevation)
High elevations receive heavy snow and much colder temperatures, limiting access and requiring winter gear or closures.

Weather & Climate near Zagros Mountains #

Climate

Zagros Mountains's climate is classified as Hot-Summer Continental (Dry Summer) - Hot-Summer Continental (Dry Summer) climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -9°C to 29°C. Semi-arid with limited rainfall with a pronounced dry season.

Best Time to Visit
JuneAugustJuly
Temperature & Rainfall
Temperature Range
40°
Warmest Month
-22°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of 0°C and lows of -9°C. Moderate rainfall (48 mm) and partly cloudy skies.

44 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-9°
71%
Humidity
Very Humid

Weather

48 mm
Rainfall
1.0 m/s
Wind
Calm
0.5
UV Index
Moderate
10.0h daylight

February

February is freezing with highs of 2°C and lows of -8°C. Moderate rainfall (45 mm) and partly cloudy skies.

48 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-9°
68%
Humidity
Humid

Weather

45 mm
Rainfall
1.7 m/s
Wind
Calm
0.8
UV Index
Moderate
10.8h daylight

March

March is cold with highs of 5°C and lows of -5°C. The wettest month with 67 mm of rain and partly cloudy skies.

51 Acceptable

Comfort

Feels Like Cold
C
Temperature
-5°
61%
Humidity
Humid

Weather

67 mm
Rainfall
2.3 m/s
Wind
Calm
1.2
UV Index
High
11.8h daylight

April

April is cold with highs of 12°C and lows of 1°C. Moderate rainfall (54 mm) and partly cloudy skies.

63 Good

Comfort

Feels Like Cold
C
Temperature
12°
58%
Humidity
Humid

Weather

54 mm
Rainfall
2.1 m/s
Wind
Calm
1.6
UV Index
Very High
12.9h daylight

May

May is cool with highs of 17°C and lows of 4°C. Moderate rainfall (42 mm) and mostly sunny skies.

79 Very Good

Comfort

11°
Feels Like Cool
11°C
Temperature
17°
45%
Humidity
Comfortable

Weather

42 mm
Rainfall
2.1 m/s
Wind
Calm
2.2
UV Index
Extreme
13.8h daylight

June

June is cool with highs of 25°C and lows of 9°C. Almost no rain and clear sunny skies.

97 Ideal

Comfort

17°
Feels Like Cool
17°C
Temperature
25°
24%
Humidity
Dry

Weather

8 mm
Rainfall
2.0 m/s
Wind
Calm
2.8
UV Index
Extreme
14.3h daylight

July

July is the warmest month with highs of 29°C and lows of 13°C. Almost no rain and clear sunny skies.

95 Ideal

Comfort

21°
Feels Like Mild
21°C
Temperature
13° 29°
17%
Humidity
Dry

Weather

2 mm
Rainfall
1.8 m/s
Wind
Calm
2.6
UV Index
Extreme
14.1h daylight

August

August is mild with highs of 29°C and lows of 12°C. The driest month with just 1 mm and clear sunny skies.

97 Ideal

Comfort

21°
Feels Like Mild
21°C
Temperature
12° 29°
17%
Humidity
Dry

Weather

1 mm
Rainfall
1.9 m/s
Wind
Calm
2.4
UV Index
Extreme
13.3h daylight

September

September is cool with highs of 24°C and lows of 7°C. The driest month with just 1 mm and clear sunny skies.

89 Excellent

Comfort

16°
Feels Like Cool
16°C
Temperature
24°
20%
Humidity
Dry

Weather

1 mm
Rainfall
1.9 m/s
Wind
Calm
1.8
UV Index
Very High
12.3h daylight

October

October is cool with highs of 17°C and lows of 3°C. Almost no rain and mostly sunny skies.

83 Excellent

Comfort

10°
Feels Like Cool
10°C
Temperature
17°
35%
Humidity
Comfortable

Weather

9 mm
Rainfall
1.7 m/s
Wind
Calm
1.1
UV Index
High
11.2h daylight

November

November is cold with highs of 10°C and lows of -2°C. Moderate rainfall (31 mm).

67 Good

Comfort

Feels Like Cold
C
Temperature
-2° 10°
59%
Humidity
Humid

Weather

31 mm
Rainfall
1.7 m/s
Wind
Calm
0.6
UV Index
Moderate
10.2h daylight

December

December is freezing with highs of 3°C and lows of -6°C. Moderate rainfall (42 mm) and partly cloudy skies.

55 Acceptable

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-6°
68%
Humidity
Humid

Weather

42 mm
Rainfall
1.1 m/s
Wind
Calm
0.4
UV Index
Low
9.7h daylight

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