Many private travel agencies organise walking and bus tours with English-speaking guides, as well as excursions out of town. Half and full day walking tours meet at the Radisson SAS Carlton Hotel (website: www.bratislava.info/guide/bratislava-city-tour) and covers the main sights such as Bratislava Castle, Devin Castle, the Town Hall and St Martin's Cathedral. City tours, both on foot, by bus and on bicycle are also available from the Bratislava Tourist Service at Venturska 9 (tel: (02) 5464 1794; website: www.bratislava-info.sk), and they also arrange day trips to the Small Carpathians, including Castle Èervený Kameò, and wine tasting at vinicultural museum in Pezinok. Slovakia Green Tours (tel: (02) 5249 1641; website: www.slovakiagreentours.com) organises ecotourism, birdwatching, spa, medieval architecture and winter sports tours to the High Tatras. Day trips on the Danube, including excursions to the locks at Gabcikovo and Devin castle, are available from the landing stage of Fajnorovo nabrezie 2 (next to the Slovak National Museum); book at the tourist office.