Garmin TOPO US 24K microSD Data Card - Idaho/Montana/Wyoming

Priced: $89.95 Rated:   - 3 stars out of 5 by 3 reviews.
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Garmin TOPO US 24K microSD Data Card - Idaho/Montana/Wyoming -

The Garmin MapSource Topo U.S. 24K microSD data card lets you add richly detailed topographic maps of Idaho, Montana and Wyoming to your Garmin GPS receiver.

Compatible GPS Receivers: Colorado 300, Colorado 400c, Colorado 400i, Colorado 400t, Edge 605, Edge 705, eTrex Legend HCx, eTrex Legend Cx, eTrex Venture Cx, eTrex Vista HCx, eTrex Vista Cx, GPSMAP 60CSx, GPSMAP 60Cx, GPSMAP 620, GPSMAP 76CSx, GPSMAP 76Cx, nüvi 500, nüvi 510, nüvi 550, Oregon 200, Oregon 300, Oregon 400c, Oregon 400i, Oregon 400t, Rino 520HCx, Rino 530HCx, Dakota 20

Made in USA.

Lining and Layers:

  • Also features interstates, major highways, rural roads, trails, city neighborhood roads, railroads, power lines, borders and more


  • Topographic contours with shading enhances relief viewing; elevation profile displays on PC and some compatible units to estimate terrain difficulty
  • Covers national, state and local parks, national and state forests, and national and state wilderness areas
  • Summit locations feature elevation information, handy for calibrating altimeters
  • Searchable database of cities, geographic names, summits, lakes and other points of interest makes locating a special spot quick and easy
  • 24K Topo ships on a 4GB Micro SD card; older GPS devices may require a firmware update in order to read a 4GB and larger card
  • Points of interest use thematic icons for parks, campgrounds, boat ramps, airports and other sites, making it easy to plan outings
  • Similar in format to USGS 1:24,000 scale, topographic paper maps, detailed features include elevation contours, trails and more
  • Map names correspond to USGS map names for easy referencing from guidebooks; USGS trail names are also used to facilitate planning
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Note:Maps on microSD and SD cards cannot be copied or viewed on a computer

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Garmin TOPO US 24K microSD Data Card - Idaho/Montana/Wyoming Reviews:

Positive Reviews:

Firmware updated may be needed to work

The ID/MT/WY version comes on a 4MB card. When I plugged it into my eTrex Vista HCx it would not display. Took quite a bit of searching, but I finally figured out that I needed a firmware update for my unit.

Seems that my firmware version 2.80 that came with the unit only supports up to 2MB cards. The latest release - firmware version 3.00 was needed to support 4MB+ cards. Once I downloaded and installed the firmware update, the data card loaded right up.

Now don't you think Garmin might put a note in the package to mention a thing like that? Or at least put a note on their website? I even checked their support section. Turns out the only place this is described is in the release notes for the firmware upgrade.

Frustrating for me as a knowledgeable user. I can only guess this results in unnecessary returns and unhappy customers.

As for me, I am a happy [GPS-enabled] camper now.
Idaho Adventurer at REI on 06/06/2009

Negative Reviews:

Mine was Blank

I ordered this on line as a anniversary present for my husband, because we had already planned a vacation to Yellowstone. We live in Washington and have that chip and it works great. When we got to Idaho we put the chip in and it was blank,When we arrived home I called our local REI where I had chip sent and they told me that without a receipt I could only get store credit or they could order me a new one but it could take two weeks to get I had already been to Yelllowstone> Wish I could go back in two weeks to use it but I have a job. Hopefully the new one will have the info I paid [$] dollars for
baby12 at REI on 07/07/2009

Neutral Reviews:

Not great topo software BUT

Bought this product because I wanted more than Montana so we could navigate on trips to Idaho. Like some other reviewers I installed this SDmicro chip in my Garmin 76CSX and nothing( No maps and the gps didn't even reconize the chip was installed ). Called REI customer support and they said I could return it with no problem. REI is the best as far as refunding your money if you aren't 100% happy with your purchase. I tried something out of frustration and updated my gps to the latest software as per one reviewers suggestions from the Garmin site and then the maps worked. I had thought my gps had the latest software updates but you really have to have the very latest software updates before this map chip will work. There is no help at all in the paperwork that comes with this product.

It would be nice if you could change the color of the contour lines somehow so maybe the roads and trail would stand out better. The use of this product is a challange at best on the small screen of a gps unit which most gps units have. When you zoom out past a mile or so the topo contour lines become so concentrated they just melt into one big blob and when you zoom way in so you can really see the seperate contour lines you can't see much more than a few hundred yards in any direction so it is hard to tell where you are at in relation to the big picture of the terrain you are in. I guess they couldn't do much seeing as all this information is just taken from USGS maps anyway. Very hard to pick out trails and remote dirt roads as everything is pretty much all the same color. It is really the only game it town though if you want 24K topo maps and 3 states on one chip. The limits of the small gps screens is what really handicaps the use of this kind of 24K software on a Garmin gps.
team sidewinder at REI on 10/10/2011