The River Ember is a small river and is part of the Waterways of Mainland Britain. It runs for 2½ furlongs from Thames - Ember Junction (where it joins the River Thames (below Oxford)) to Molember Road Weir (which is a dead end).
The exact dimensions of the largest boat that can travel on the waterway are not known. The maximum headroom is not known. The maximum draught is not known.
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|Thames - Ember Junction
Junction of the River Thames and the River Ember
|Hampton Court Railway Bridge||1¼ furlongs||0 locks|
|Hampton Court Way Bridge||1½ furlongs||0 locks|
|Ember - Mole Junction
Junction of the River Ember and the River Mole - No Access
|1¾ furlongs||0 locks|
|Molember Road Weir||2½ furlongs||0 locks|
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Wikipedia has a page about River Ember
The River Ember is a short river in the north of Surrey, England — a channel of the River Mole which splits in two south of Island Barn Reservoir, East Molesey. The Ember, the largest channel, flows in an easterly and then northerly direction around the reservoir, past part of Esher; the Mole flows around the other side past West Molesey. The two rivers then flow side by side approximately north east and merge 400 metres before joining the River Thames at the eastern end of East Molesey opposite Hampton Court Palace on the south side of the last non-tidal reach, which is above Teddington Lock.