The Dublin Bay 15k Coastal Hike is from the GPO in Dublin's O'Connell St through Dublin Docks across the Liffey at the 02 Arena , across the East Link Bridge and past the Aviva Stadium .Pass through Ringsend, Sandymount, Booterstown, Blackrock, Monkstown to Dun Laoghaire . You will need a reasonable level of fitness, good footwear and a sense of humour. We are generally beside the sea as we hug the coast.This is a tour on foot without a bus it is not a race if you want a sweaty workout at speed forget it, stay in bed. If you are worried about the rain stay in bed as well .Solo Travelers are especially welcome but everyone must be over 18 and reasonably fit. Whilst there is banter and impromptu stops there is no "commentary" we keep moving. Sometimes we stop for coffee or to take photographs, Return to Dublin is by train or bus anytime at your leisure this is generally 3 to 5 Euros . The maximum number is 18 people.