Dublin's Hop up Hop off Tour stops include: Abbey Street - Lower O'Connell St Trinity College Dublin - College Green Nassau Street - Nassau Street National Gallery. - Merrion Square West Government Buildings - Merrion Sq West St. Stephen's Green - Grafton Street. Tourism Centre - Suffolk Street Temple Bar - Dame Street. Dublin Castle - Cork Hill Christchurch / Dublinia - Christ Church Place. St Patrick's Cathedral - Patrick Street. Guinness Storehouse - St James's Gate Museum of Modern Art - Royal Hospital Kilmainham. Kilmainham Gaol - Old Kilmainham Heuston Rail Station - St. John's Road Dublin Zoo - Phoenix Park Ryan's Victorian Bar - Parkgate Street National Museum - Collin's Barracks Jameson Distillery, Bow St. - Smithfield - Hop off here! The Four Courts - Ormond Quay Liffey River Cruise - Bachelors Walk Dublin Bus HQ Upper O'Connell Writers Museum Parnell Square North Tours operate daily from 09:00. You can redeem your ticket with the tour driver on any of the buses, or, alternatively, go to Dublin Bus Head Office, 59 Upper O'Connell Street.