The towpath is now closed just south of Old Ford Lock and Bow Flyover.
This is not caused by the Olympics but the construction of Crossrail which will not be ready for 2012.
After Old Ford Lock you cross the Old River Lee and pass under the Northern Outfall Sewer, better known now as The Greenway. As soon as you have passed under this low bridge you now go left away from the river and up a slope to the top of The Greenway.
Turn right and enjoy the view of the Olympic Stadium on your left. Ahead is the excellent Container Cafe (9am-4.30pm). But just before the cafe bear right down a slope to Pudding Mill Lane where the security guard will direct you across the road. Turn left to reach the main road. Go right to rejoin the Lea Valley Walk opposite McDonald’s.
The diversion will remain in place at least until December.
See pages 115-116.