Sumner Group Lakes – North Canterbury
There is unrestricted four-wheel-drive access to Loch Katrine. To drive from Loch Katrine to the head of Lake Sumner anglers need to phone 03 314-4343 for permission and the combination code for the locked gate.
Here is a great video that gives you a good view of Loch Katrine and Lake Sumner. As well as a look at the canal that joins them together.