Thames clippers river roamer pass thames clippers 1 day river roamer ticket offers hassle free travel on time and in comfort that suffers none of the congestion or interruption problems that can affect other surface or underground travel best of all the views along the waterfront are simply fantastic highlights one day hop on hop off thames river roamer ticket tour london and the river thames at your own pace get on and off at stops from tate britain at millbank to greenwich pier