Cavan GAA the Cavan net in the All-Ireland final. Cavan got revenge in 1935, but when Packie Boylan handpassed what would have been the winning point against Kerry in the All-Ireland final it was disallowed, and Cavan lost the replay, if not before the celebration bonfires were lit because the Radio Éireann commentator had not noticed the referee's decision. Controversy was never far from Cavan in the early days of the Association. In 1917 they proposed a new province of Tara, comprising Meath, Louth, Westmeath, themselves and Longford, because of a series of disputes with the Ulster Council, and also tried to
County Cavan springs near Bailieborough; the River Annalee which flows from Lough Sillan and joins the Erne; and the Cladagh river which rises from Cuilcagh and flows into Fermanagh. The Glyde and the Owenroe also source in Cavan. Cavan is known as 'The Lakeland County' and is reputed to contain 365 lakes. At , Lough Sheelin is the county's largest lake; it is situated in the south of the county and forms a three way border on its waters between counties Meath, Westmeath and Cavan. A large complex of lakes form in the north and west of Cavan into designated Specially Protected