Karnala bird sanctuary is located on NH 7, Mumbai-Goa Highway about 50 km from Mumbai and 17 km from Panvel.The Karnala bird sanctuary and fort is a perfect day trip from fast paced Mumbai. You can go in the morning and back home by evening. Karnala is a popular destination for birdwatchers as well as favourite rock climbing spot. This is a small sanctuary with just 4.27 sqkm of land. But it is home to 147 species of resident and 37 species of migratory birds that come during winter. Two rare birds ashy minivet and the Malabar trogon have been spotted here.
The monsoons transform this place with green dominating the landscape. There is freshness in the air with trees blooming with new leaves. The sanctuary is also favourite of the trekkers. There is fortress within the sanctuary. Its construction is believed to date the 12th century and over the sanctuaries changed many rulers and dynasties. In 1818 the fort was captured by Colonel Prother who established the East India Company rule. The fort has a series of ornate steps leading to higher section of the fort. The 45 m basalt pillar was once used as a watchtower now it serves as a challenge to rock climbers. The best time to visit it is in monsoon or around November.