Average Reviews:
(More customer reviews)I received these topo-maps about two weeks ago and used them for road navigation (car) and trail navigation (MTB) so far on an etrex Vista HCx. My overall impression is mixed I have to admit.
From the start:
Installation is nice and easy, just pop in the micro-SD, power up the Garmin and the gadget will do the rest. In less than 5 minutes the map-set is completely configured and ready to go. I like this much better than the hassle with the DVD and transfer via USB cable which takes aeons. I made a backup of the SD card, yet I don't know if this will work the reverse way if I have to restore the SD. I recently read that this might cause problems but I don't have any experience with this.
Using it on the road it works well, fast calculation, precise directions. But this is definitely not what I bought it for.
So I took it to Lake Chabot (Anthony Chabot Regional Park) and... I was lost. Not a single one of the trails going round the lake was indicated. I rode into the golf course trying to get through somewhere, had to go back. Next through a nearby village, again, no trail indicated. Asked a resident and she told me where to get back on the trail. Fine. At least I was able to use the compass with the map to get back to my starting point. All in all: disappointing.
One week later up to Mission Peak. This time I was smarter and took a map of the Regional Preserve with me. And again, none of the trails indicated on the Garmin. Without the map I would have probably again been lost. Garmin and the map together worked well, but honestly saying the map alone would have been sufficient.
There are however some trails correctly indicated in parks and preserves which I can tell because I rode them earlier. But you'll better make sure that trails are displayed on the Garmin BEFORE you go there. Otherwise take a paper map with you. Well, I know you should always do this when hiking in the mountains where no official trails exist. But for park trails??
A downside of the SD card: you cannot use it on your PC for route planning, track or waypoint readout or whatever unless you have another map set on CD with the MapSource-SW. Think you can download MapSource from the Garmin homepage and activate it with the code of the SD-based maps? No way! Aaaaargh!!!
Summary: If you need a supplement of topo-maps when you already own MapSource it is probably alright because you can easily check on your PC and plan your trip before hitting the trail. Or you can check if there is any trail indicated at all. For the actual price it is still alright, but always make sure you have a paper-made backup with you if you are not 100 % sure that you can rely on the etrex.
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Garmin MapSource TOPO US 24k West Topographic Coverage for California and Nevada (microSD/SD Card)
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