Several months have now passed since we completed the Yukon part of last summers adventure, that was planned for in this thread & I will now share an after trip report on two of the pre trip advise suggestions generously given by Whitehorse, Yukon area resident, AJF.
One, he strenuously cautioned me on the importance of considering the Yukon River depth & flow on the timing of when we should start the trip or even if it should be attempted at all, if to low. In this he was absolutely right & we were very fortunate to have made it down to Dawson City, especially without serious damage to the boat. I wouldn't even consider doing it again at the level it was when we departed Whitehorse in a CD22. Part of the problem in evaluating this advise was how to determine just how low was to low without actual numbers of what's the minimal flow or depth station reading to compare for a CD22 & by the time I could tell in the water downstream from launching that the depth was to low in places, it was to late to retreat. Now I would know & if the river not a couple feet higher then it was, not go.
Two, AJF advised that we would most likely have difficulties with GPS or other satellite reception. We never lost reception on the Garmin 276C chart plotter or the Delorme Inreach & though boat placement on the Garmin chart topo map was very good most of the time, say 80%, invariably when in a place where it was really needed, it would miss Islands or put the boat in a position on the chart, that didn't match reality, so we were constantly trying to make out where we actually were & the river route needed to maintain from the two different river guide books, the Garmin chart & the sat photos on the IPad. This with the current averaging 7 mph, plus at last a few more to maintain steerage made for short decision times for best boat placement, which in some places even if best as possible, not enough water under the boat to avoid contact with the bottom.
I'm happy we made the river cruise this year & even more so the boat didn't suffer from it, but I don't think we would do the section between Carmacks & Dawson city again in any water state & between Whitehorse & Dawson City only with at least 2 feet higher water in a CD 22.
For those who haven't read it, this is the link to the thread that goes from the planning here to the actual trip.
http://www.c-brats.com/viewtopic.php?t=24092
Jay