Allens Tours. Allens Tours operate day tours of Belfast and to the Giant's Causeway and Carrickfergus. Belfast, 028/9091–5613; www.allensbelfastbustours.com. From £8.
Ulsterbus Tours. Half- or full-day trips are available during the summer from Belfast to the Glens of Antrim, the Giant's Causeway, the Fermanagh lakes, Lough Neagh, the Mountains of Mourne, and the Ards Peninsula. Ulsterbus has also teamed up with the Old Bushmills Distillery on an open-top tour bus running in summer from Coleraine (via Bushmills to observe whiskey making) to the Giant's Causeway and the coastal resorts. Belfast, 028/9066–6630; www.ulsterbustours.com. From £20.
Belfast City Bike Tours. Join guided bike rides of many areas with Belfast City Bike Tours. Cycle lanes are provided on most main roads and excellent paths link up all sections of the towpath and riverbank with signposted trails. Belfast, 077/8049–6969; www.belfastcitybiketours.com. From £20.
Iron Donkey Bicycle Touring. Some of the most scenic parts of Northern Ireland are opened up by Iron Donkey Bicycle Touring which organizes multiday tours. Their itinerary includes the Mourne Mountains, Glens of Antrim, Causeway Coast, the Sperrin Mountains, and other destinations. 029/2089–1650; www.irondonkey.com. From £1275.