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The site at Surkotada is located 160 km (99 mi) north-east of Bhuj, in the district of Kutch, Gujarat. The ancient mound stands surrounded by an undulating rising ground clustered by small sandstone hills. These hills are covered with red laterite soil giving the entire region a reddish brown colour. The vegetation is scarce and consists of cactus, small babul and pilu trees and thorny shrubs. These give green patches to the red environment. The mound was discovered in 1964 by Shri Jagat Pati Joshi of the Archaeological Survey of India. The mound is higher on the western side and lower on the eastern side and has an average height of 5 to 8 m (16-26 ft). In the ancient days, a river 750 m (½ mi) wide flowed past the north-eastern side of the site. This river, which emptied into the Little Rann, might have been an important reason for siting the town here. Now this river is only a small nalla (stream).
Surkotada site contains horse remains dated to ca. 2000 BCE, which is considered a significant observation with respect to Indus Valley Civilisation. Sander BÕkÕnyi (1997), on examining the bone samples found at Surkotada, opined that at least six samples probably belonged to true horse.  During 1974, Archeological Survey of India undertook excavation in this site and J.P.Joshi and A.K.Sharma reported findings of horse bones at all levels (cicra 2100-1700 BCE)
The chronology of the occupation of the site at Surkotada is not the same as other Harappan / Indus Valley Civilization sites. The dates from Surkotada are later than most Harappan sites but conform well with the occupational dates from Lothal and Kalibangan. In other words, the Harappans did not establish a settlement in Surkotada in the earliest phase of Harappan maturity but did so almost towards the end. The site of Surkotada was occupied for a period of 400 years with no breaks or desertions. Archaeologists have divided the history of settlement in Surkotada into three cultural phases. The following is a description of the three phases in terms of the building activity:
The earliest occupants of Surkotada had affiliations with an antecedent culture. They built a citadel with mud-brick and mud-lump fortification with a rubble veneer of five to eight courses over a raised platform of hard rammed yellow earth. The platform had an average height of 1.5 m (5 ft) and the average base width of the fortification wall was 7 m (23 ft). The bricks used were in the ratio 1:2:4 which conforms with mature Harappan standards. The height of this wall was 4.5 m (15 ft). The residential area was also built with a fortification wall having a thickness of 3.5 m (11 ft). The citadel had two entrances one on the southern side and one on the eastern side for accessing the residential area. In the residential area a drain, a bathroom with a small platform and a soakage jar in every house prove the well known sanitary arrangement and drainage system of the Harappans.
There is no break in the continuity of settlement from phase IA to phase IB but this period has been defined separately due to the arrival of a new wave of people who used a new form of pottery and instruments. They retained the structure of the citadel but added a mud brick reinforcement to the inside of the fortification wall. As this would have only reduced the area within the citadel, it is not clear why they did this. The end of period IB is marked by a thick layer of ash which represents a wide spread conflagration.
After the fire of period IB, a new group of people came to Surkotada though the site does not show any break in the continuity of settlement. The new people followed their predecessors in the layout of the settlement and made a citadel and a residential complex on the same lines made of rubble and dressed stones. These measured respectively 60 m by 60 m (200 ft by 200 ft) and 60 m by 55 m (200 ft by 180 ft) and are described in the next section.
The total built up area of Surkotada of the period IC is in the form of a rectangle aligned along the cardinal directions. It measures 120 m (400 ft) east-west and about 60 m (200 ft) north-south. Despite its small size, archaeologists consider Surkotada very important. It had been treated by its builders at par with Kalibangan and Lothal in terms of planning. The gates of Surkotada have also been treated with care and in some respects are different from general Harappan trends. Moreover, many scholars feel that the location of Surkotada was strategic to control the eastward migration of the Harappans from Sind. Surkotada also supports the concept of the feudal system of administration in the civilization . In other words, Surkotada could have functioned as a regional capital or garrison town .
The plan of Surkotada is composed of two squares - the one to the east is called the residential complex and measures 60 m by 55 m (200 ft by 180 ft) while the one on the west is the citadel and it measures 60 m by 60 m (200 ft by 200 ft). The citadel is the higher of the two. The fortification wall of the citadel has an average base width of 3.5-4 m (11-14 ft) and has two 10 m by 10 m (30 ft by 30 ft) bastions on the southern wall. Similar bastions are expected on the northern wall but have not been excavated yet.
On the southern wall of the citadel there is a centrally placed gateway projecting out. This gateway measure 10 m by 23 m (30 ft by 75 ft) and has steps and a ramp leading up to the main entrance which has two guard rooms. There is a 1.7 m (5½ ft) wide passage leading into the entrance. The citadel consists of large houses some of which have up to nine rooms each. Form the citadel there is an entrance in the east wall, again 1.7 m (5½ ft) wide, for access to the residential complex.
The residential area consists of houses which are the smaller than the citadel houses. A typical example is a house with five interconnected rooms, a courtyard closed on three sides and a platform outside facing the street. The platform would have been used for transactions and as a shop. The southern fortification wall of the residential area also has an entrance which has received a different treatment by its builders. It differs from other Harappan gates in the sense that it is a straight entrance and not a staggered or bent one. The gate itself is set in the thickness of the fortification wall while there are two guard rooms projecting out. The fortification wall of the residential complex has an average thickness of 3.4 m (11 ft) and has bastions at the corners which are smaller than the ones on the citadel fortification wall.
All these features show mature Harappan traits even up to 1700 BC which chronologically is quite remarkable. Mature Harappan principles were being followed in Surkotada long after the civilization itself had started declining and most other sites had decayed or died out.
As of today there is no evidence of a city scale settlement near the citadel complex of Surkotada, as one might be expected on the lines of Mohenjo-daro and Kalibangan. About 500 m (1,600 ft) south-east of the citadel, there is a low mound which represents some sort of small habitation but the Harappan vestiges are scarce. Archaeologists feel that the possibility of the existence of a large settlement is remote but cannot be ruled out.
Presence of Mongooses were found in Surkotada as well as in Mohenjadaro, Harappa, Rangpur, India indicating that these animals were kept as a protection against snakes. Elephant bones and wolf bones (tamed?) were also found at Surkotada.
Location of Surkotada from McIntosh,Jane