Location: 40 kms west of Dehradun, in the west of Dehradun valley on
Dehradun-Paonta Road
Famous Activity: Bird Watching
Popularly Known As: Dhalipur Lake
A Bird Watchers Paradise
The
Asan Barrage, popularly known as Dhalipur lake, was created in the year 1967
as a result of the construction of Asan barrage at the confluence of the river
Yamuna & Asan through Dhalipur power house. Asan Barrage is famous for bird
watching.
Description:
The Asan reservoir attracts 53 species of water birds of which 19 are winter
migrants from Eurasia. During winter months 90% of the waterbird population
comprises the following 11 migratory species, namely Brahminy Duck, Pintail,
Red Crested Pochard, Gadwall, Common Pochard, Mallard, Coot, Wigeon, Common
Teal, Tufted Duck, and Shoveller.
Topography
The Asan Reservoir is a small man-made wetland of ca. 4 sq km area, located
40 km west of Dehradun, in the west of Dehradun valley on Dehradun-Paonta road.
Geographically it is situated between latitude 30o 24'-30o 28' N and longitude
77o 40'-77o 44' E, near the confluence of the rivers Asan and Yamuna. The barrage
is 287.5 m long, the river bed being 389.4 m above sea level, with minimum and
maximum water levels respectively at 402.4 m and 403.3 m asl.
The Asan reservoir exists throughout the year and is fed from the river Asan
and the discharge channel of Yamuna through Dhalipur powerhouse. Although the
water level is controlled, it often goes down, and swampy islands in the middle
become visible, attracting a variety of marsh-loving birds like Egrets, Herons
and Lapwings, etc.
Climate:
The reservoir has a typical North Indian monsoon climate, with distinct summer
and winter months.
Temperature: summer, max.38o C, min. 14o C;
winter max. 21o C, min. 2o C;
Average Rainfall 250 cm; South West monsoon during June to September.
Vegetation & Flora
The aquatic vegetation of the reservoir consists of Eichhornia crassips, Potamogeton
pectinatus, Typha elephantina, and Ceratophyllum demersum. The surrounding bushes
include Xanthium strumarium, Eclipta prostrata, Ipomoea sp., Mimosa pudica,
Achyranthus aspera, Polygonum glabrum, P. lanigerum,
Aeschynomene
sp., Ageratum conyzoides, phyllanthus sp., Monochoria hastata, Mosla dianthera,
and Lantana camara. On the southern side, agricultural fields surround the barrage.
Further south there is mixed forest in Siwaliks comprising principally Shorea
robusta, Anogeissus Latifolia, Lannea coromandelica, Dalbergia sissoo, and Bombax
ceiba.
Birding Season:
Arrival & Departure
October November December March-end
Or Early April, Sometimes April- end
Access:
Road: The peripheral road has become a preferred route from Himachal, Punjab,
Haryana and Chandigarh resulting in great traffic.
Click
Here For Reservation/Booking
SUGGESTED TOURS
Taj
Mahal & Bird Watching Tour
Duration: 20 nights/ 21days
Places to Visit: Delhi - Corbett - Agra - Bharatpur - Sawai Madhopur -
Jaipur - Ahmedabad - Zainabad - Ahmedabad - Banglore - Mysore Bangalore
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Asan Barage Bird Sanctuary