Sanjay Gandhi National Park, previously known as Borivali National Park, is a protected area located in the northern part of Mumbai, Maharashtra, India. It is one of Asia's most visited national parks and serves as a haven for diverse flora and fauna. Here are some key features and information about Sanjay Gandhi National Park:

1. Location: Sanjay Gandhi National Park is situated in the northern part of Mumbai, covering areas like Borivali, Malad, and parts of Thane. It is easily accessible from various parts of the city.

2. Size: The national park spans over an area of approximately 104 square kilometers (40 square miles), making it one of the larger national parks in the world located within city limits.

3. Establishment: The park was originally established as Krishnagiri National Park in 1936 and later renamed after Sanjay Gandhi, the son of the then Prime Minister of India, Indira Gandhi.

4. Biodiversity: Sanjay Gandhi National Park is home to a rich variety of flora and fauna. The park's ecosystem includes dense forests, lakes, and a diverse range of plant and animal species.

5. Kanheri Caves: The Kanheri Caves, located within the national park, are a group of ancient rock-cut caves and sculptures that date back to the 1st century BCE to 9th century CE. These caves hold historical and archaeological significance.

6. Flora: The park is covered with dense forests that include a variety of tree species, such as teak, bamboo, and several types of medicinal plants. The greenery provides a natural habitat for wildlife.

7. Fauna: Sanjay Gandhi National Park is home to a diverse range of wildlife, including:

   • Mammals: Deer, leopards, macaques, langurs, wild boars, and more.
   • Birds: Various species of resident and migratory birds.
   • Butterflies: The park is known for its butterfly diversity.

8. Lakes and Reservoirs: The park includes several lakes and reservoirs, such as Tulsi Lake and Vihar Lake, which are sources of water for Mumbai. These water bodies enhance the park's scenic beauty.

9. Tiger and Lion Safari: The national park has a dedicated area for the Lion and Tiger Safari where visitors can observe these majestic big cats in a semi-natural habitat.

10. Nature Trails and Treks: Sanjay Gandhi National Park offers nature trails and trekking routes for enthusiasts, providing an opportunity to explore the park's natural beauty and wildlife.

11. Educational Programs: The park conducts educational programs, nature camps, and awareness campaigns to promote conservation and environmental education.

12. Visitors Center and Exhibits: The park has a Visitors Center with exhibits on wildlife, flora, and fauna, providing information about the biodiversity of the region.

13. Film Shooting Location: Sanjay Gandhi National Park has been a popular location for film and television shoots due to its scenic landscapes and diverse natural settings.

14. Entry Fee: There is an entry fee for visitors, and various activities within the park, such as the safari and nature trails, may have separate fees.

Sanjay Gandhi National Park offers a retreat into nature within the bustling city of Mumbai, providing a habitat for wildlife, opportunities for outdoor activities, and a space for environmental education and conservation efforts.