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2 minGeographical Feature
  1. Home
  2. /
  3. Concepts
  4. /
  5. Geographical Feature
  6. /
  7. Aravalli Hills
Geographical Feature

Aravalli Hills

What is Aravalli Hills?

The Aravalli Range is one of the world's oldest fold mountains, stretching for approximately 692 km in a southwest-northeast direction across Gujarat, Rajasthan, Haryana, and Delhi. It is a crucial ecological corridor, watershed, and biodiversity hotspot for northwestern India.

Historical Background

Formed during the Precambrian era (over 2.5 billion years ago), the Aravallis are significantly older than the Himalayas. They have played a vital role in shaping the climate, hydrology, and biodiversity of the region, acting as a natural barrier and a source of various minerals.

Aravalli Hills: Geographical Extent and Ecological Significance

This map illustrates the full geographical spread of the ancient Aravalli Hills across four Indian states, highlighting key ecological and urban centers within its range, and its role as a vital natural and hydrological feature.

Geographic Context

Map Type: india_states

Key Regions:
GujaratRajasthanHaryanaDelhi
Legend:
Ecologically significant areas / Range extent
Key geographical feature (Highest Peak)
Urban center within Aravalli influence
Area facing high developmental pressure

Key Statistics: Aravalli Hills

This dashboard presents crucial statistics about the Aravalli Hills, highlighting its geographical, geological, and ecological significance for UPSC preparation.

2 minGeographical Feature
  1. Home
  2. /
  3. Concepts
  4. /
  5. Geographical Feature
  6. /
  7. Aravalli Hills
Geographical Feature

Aravalli Hills

What is Aravalli Hills?

The Aravalli Range is one of the world's oldest fold mountains, stretching for approximately 692 km in a southwest-northeast direction across Gujarat, Rajasthan, Haryana, and Delhi. It is a crucial ecological corridor, watershed, and biodiversity hotspot for northwestern India.

Historical Background

Formed during the Precambrian era (over 2.5 billion years ago), the Aravallis are significantly older than the Himalayas. They have played a vital role in shaping the climate, hydrology, and biodiversity of the region, acting as a natural barrier and a source of various minerals.

Aravalli Hills: Geographical Extent and Ecological Significance

This map illustrates the full geographical spread of the ancient Aravalli Hills across four Indian states, highlighting key ecological and urban centers within its range, and its role as a vital natural and hydrological feature.

Geographic Context

Map Type: india_states

Key Regions:
GujaratRajasthanHaryanaDelhi
Legend:
Ecologically significant areas / Range extent
Key geographical feature (Highest Peak)
Urban center within Aravalli influence
Area facing high developmental pressure

Key Statistics: Aravalli Hills

This dashboard presents crucial statistics about the Aravalli Hills, highlighting its geographical, geological, and ecological significance for UPSC preparation.

Approximate Length
~692 km

Stretches from Palanpur (Gujarat) to Delhi, forming a critical ecological corridor.

Data: Geological/2025
Geological Age
Precambrian Era

One of the oldest fold mountain ranges in the world, indicating its ancient geological history.

Data: Geological
States/UT Covered
4 (Gujarat, Rajasthan, Haryana, Delhi)

Its multi-state presence necessitates coordinated conservation efforts.

Data: 2025
Highest Peak
Guru Shikhar (1722m)

Located in Mount Abu, Rajasthan, it's a significant landmark and biodiversity hotspot.

Data: 2025
Rivers Originating
Banas, Luni, Sabarmati, Sahibi

Acts as a watershed, crucial for water security in arid and semi-arid regions.

Data: 2025
Approximate Length
~692 km

Stretches from Palanpur (Gujarat) to Delhi, forming a critical ecological corridor.

Data: Geological/2025
Geological Age
Precambrian Era

One of the oldest fold mountain ranges in the world, indicating its ancient geological history.

Data: Geological
States/UT Covered
4 (Gujarat, Rajasthan, Haryana, Delhi)

Its multi-state presence necessitates coordinated conservation efforts.

Data: 2025
Highest Peak
Guru Shikhar (1722m)

Located in Mount Abu, Rajasthan, it's a significant landmark and biodiversity hotspot.

Data: 2025
Rivers Originating
Banas, Luni, Sabarmati, Sahibi

Acts as a watershed, crucial for water security in arid and semi-arid regions.

Data: 2025

Key Points

10 points
  • 1.

    Geologically, it is a relict mountain range, significantly eroded over millions of years, with its highest peak being Guru Shikhar (1,722 m) in Mount Abu.

  • 2.

    Acts as a natural barrier preventing the eastward spread of the Thar Desert and influencing monsoon patterns.

  • 3.

    Crucial for groundwater recharge in Rajasthan and Haryana, feeding numerous rivers and aquifers.

  • 4.

    Source of several rivers, including Banas, Luni, Sabarmati, and Sahibi, which are vital for regional water supply.

  • 5.

    Home to diverse flora and fauna, including several endemic and endangered species, making it a significant biodiversity area.

  • 6.

    Contains significant mineral deposits such as marble, granite, zinc, copper, and lead, making it vulnerable to mining activities.

  • 7.

    Includes important protected areas like Sariska Tiger Reserve, Mount Abu Wildlife Sanctuary, and Kumbhalgarh Wildlife Sanctuary.

  • 8.

    Its forests act as a carbon sink, contributing to climate regulation and providing essential ecosystem services.

  • 9.

    The Delhi Ridge, a northern extension of the Aravallis, is considered the "green lungs" of Delhi and is critical for the city's environment.

  • 10.

    Under severe threat from deforestation, illegal mining, urbanization, encroachment, and unsustainable land use practices.

Visual Insights

Aravalli Hills: Geographical Extent and Ecological Significance

This map illustrates the full geographical spread of the ancient Aravalli Hills across four Indian states, highlighting key ecological and urban centers within its range, and its role as a vital natural and hydrological feature.

  • 📍Palanpur, Gujarat — Southern end of Aravalli Range
  • 📍Mount Abu, Rajasthan — Guru Shikhar (Highest Peak - 1722m)
  • 📍Udaipur, Rajasthan — City in Aravalli foothills, 'City of Lakes'
  • 📍Gurugram, Haryana — Rapid urbanization impacting Aravalli forests
  • 📍Delhi Ridge, Delhi — Northernmost extension, 'Green Lungs of Delhi'

Key Statistics: Aravalli Hills

This dashboard presents crucial statistics about the Aravalli Hills, highlighting its geographical, geological, and ecological significance for UPSC preparation.

Approximate Length
~692 km

Stretches from Palanpur (Gujarat) to Delhi, forming a critical ecological corridor.

Geological Age
Precambrian Era

One of the oldest fold mountain ranges in the world, indicating its ancient geological history.

States/UT Covered
4 (Gujarat, Rajasthan, Haryana, Delhi)

Its multi-state presence necessitates coordinated conservation efforts.

Highest Peak
Guru Shikhar (1722m)

Located in Mount Abu, Rajasthan, it's a significant landmark and biodiversity hotspot.

Rivers Originating
Banas, Luni, Sabarmati, Sahibi

Acts as a watershed, crucial for water security in arid and semi-arid regions.

Related Concepts

Supreme Court of IndiaStatutory BodyIllegal MiningEnvironmental DegradationEnvironmental ProtectionRole of Judiciary in Environmental Governance

Source Topic

CEC Warned Against Aravalli Mining Leases Before SC's Narrow Definition

Environment & Ecology

UPSC Relevance

Highly relevant for UPSC GS Paper 1 (Geography - Physical Features, Resources) and GS Paper 3 (Environment & Ecology, Biodiversity, Disaster Management). Frequently asked in Prelims (location, features, significance, associated rivers/reserves) and Mains (environmental issues, conservation challenges, impact of human activities).

On This Page

DefinitionHistorical BackgroundKey PointsVisual InsightsRelated ConceptsUPSC RelevanceSource Topic

Source Topic

CEC Warned Against Aravalli Mining Leases Before SC's Narrow DefinitionEnvironment & Ecology

Related Concepts

Supreme Court of IndiaStatutory BodyIllegal MiningEnvironmental DegradationEnvironmental ProtectionRole of Judiciary in Environmental Governance

Key Points

10 points
  • 1.

    Geologically, it is a relict mountain range, significantly eroded over millions of years, with its highest peak being Guru Shikhar (1,722 m) in Mount Abu.

  • 2.

    Acts as a natural barrier preventing the eastward spread of the Thar Desert and influencing monsoon patterns.

  • 3.

    Crucial for groundwater recharge in Rajasthan and Haryana, feeding numerous rivers and aquifers.

  • 4.

    Source of several rivers, including Banas, Luni, Sabarmati, and Sahibi, which are vital for regional water supply.

  • 5.

    Home to diverse flora and fauna, including several endemic and endangered species, making it a significant biodiversity area.

  • 6.

    Contains significant mineral deposits such as marble, granite, zinc, copper, and lead, making it vulnerable to mining activities.

  • 7.

    Includes important protected areas like Sariska Tiger Reserve, Mount Abu Wildlife Sanctuary, and Kumbhalgarh Wildlife Sanctuary.

  • 8.

    Its forests act as a carbon sink, contributing to climate regulation and providing essential ecosystem services.

  • 9.

    The Delhi Ridge, a northern extension of the Aravallis, is considered the "green lungs" of Delhi and is critical for the city's environment.

  • 10.

    Under severe threat from deforestation, illegal mining, urbanization, encroachment, and unsustainable land use practices.

Visual Insights

Aravalli Hills: Geographical Extent and Ecological Significance

This map illustrates the full geographical spread of the ancient Aravalli Hills across four Indian states, highlighting key ecological and urban centers within its range, and its role as a vital natural and hydrological feature.

  • 📍Palanpur, Gujarat — Southern end of Aravalli Range
  • 📍Mount Abu, Rajasthan — Guru Shikhar (Highest Peak - 1722m)
  • 📍Udaipur, Rajasthan — City in Aravalli foothills, 'City of Lakes'
  • 📍Gurugram, Haryana — Rapid urbanization impacting Aravalli forests
  • 📍Delhi Ridge, Delhi — Northernmost extension, 'Green Lungs of Delhi'

Key Statistics: Aravalli Hills

This dashboard presents crucial statistics about the Aravalli Hills, highlighting its geographical, geological, and ecological significance for UPSC preparation.

Approximate Length
~692 km

Stretches from Palanpur (Gujarat) to Delhi, forming a critical ecological corridor.

Geological Age
Precambrian Era

One of the oldest fold mountain ranges in the world, indicating its ancient geological history.

States/UT Covered
4 (Gujarat, Rajasthan, Haryana, Delhi)

Its multi-state presence necessitates coordinated conservation efforts.

Highest Peak
Guru Shikhar (1722m)

Located in Mount Abu, Rajasthan, it's a significant landmark and biodiversity hotspot.

Rivers Originating
Banas, Luni, Sabarmati, Sahibi

Acts as a watershed, crucial for water security in arid and semi-arid regions.

Related Concepts

Supreme Court of IndiaStatutory BodyIllegal MiningEnvironmental DegradationEnvironmental ProtectionRole of Judiciary in Environmental Governance

Source Topic

CEC Warned Against Aravalli Mining Leases Before SC's Narrow Definition

Environment & Ecology

UPSC Relevance

Highly relevant for UPSC GS Paper 1 (Geography - Physical Features, Resources) and GS Paper 3 (Environment & Ecology, Biodiversity, Disaster Management). Frequently asked in Prelims (location, features, significance, associated rivers/reserves) and Mains (environmental issues, conservation challenges, impact of human activities).

On This Page

DefinitionHistorical BackgroundKey PointsVisual InsightsRelated ConceptsUPSC RelevanceSource Topic

Source Topic

CEC Warned Against Aravalli Mining Leases Before SC's Narrow DefinitionEnvironment & Ecology

Related Concepts

Supreme Court of IndiaStatutory BodyIllegal MiningEnvironmental DegradationEnvironmental ProtectionRole of Judiciary in Environmental Governance