This is at least a two hour walk, more if you take the trouble to stop and look (and eat), and it can be a hot climb up the steps if you leave it late in the morning.
The steps are not in good condition - safe but untidy - and the old cemetries are impressive but not neat. Check out the children's graves close to the path and some of the others to see what life was like.
Basically the walk takes you up the hill behind the old city to what must have been beautiful in its heyday. The green of the vegitation and the oasis of the Agnes Tea House is a great breack at the top and roughly the half way point .
The walk will take you to a numbers of disparate places connected with the history of the town and if you like history, as I do, then that is the way to buil a picture of the British occupation. Agnes' house has a charge to go in as does the Christian Church (which suprised me as it is not that impressive) but the Chinese Temple is free and I was shown great hospitality by the caretakers? who told me of its history.
Also look out for other interesting and supprising sights eg The Chinese Lutheren churches which apparently migrated from the mainland last century following persecution.
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