County Cavan rich in minerals, but heavy and poorly drained, making pasture farming the dominant farming system in the county. There is a total farmed area of in the county, and there are approximately 219,568 cattle in Cavan. Lakeland Dairies Group, which is based in Killeshandra and has manufacturing sites located throughout Cavan, is Ireland's second largest dairy co-operative with an annual revenue of €545 million. Cavan is one of Ireland's leading counties for pig production, with the county's farms raising a fifth of the national pig herd. Pig farming regulations have put pressure on the industry, which is highly dependent on
County Offaly Mountain which are the county's second and third highest peaks. Croghan Hill rises from the Bog of Allen and is located in northern Offaly. Although only 234 metres high, it is known for its view over the surrounding area and it stands out by itself. The floodplain of the River Shannon is in the north-western part of the county. The River Camcor runs through the town of Birr and is a Wild Trout Conservation Area. The River Brosna runs across the county from Lough Owel in Westmeath to Shannon Harbour. Silver River runs through several towns in the south of