Illinois Garmin Maps

Welcome to the database of Garmin compatible maps for Illinois.

• Ibycus USA
  Price: Free
  A total US street map based on the most recent census data. This map is free, and I intend for it to remain so. GPSFileDepot offers an exclusive mac version for download.
• My POIs
  Price: Free
  My POIs: These are maps that contain points that are displayed on the 24K USGS maps. They are also transparent. I have also added other things. I found a file with the locations of 54,000 springs in MO and about 50,000 sink holes. I have included them. These maps cover, IL, MO, CO, IN, TN, DC, Iowa, KY, and OH.
• My Topos
  Price: Free
  These are transparent maps that show up on top of City Navigator which you still use for route calculation. They have topo lines and hydrology (streams, rivers, lakes, etc). The topo lines are from the USGS and they are more accurate than what is on the 24K USGS maps. I generally use a 10 foot contour interval. Most of the hydrology is high resolution (equal to or better than the 24K USGS). Some places do not have the high resolution data). I have also done lots of corrections to the hydrology by looking at ExpertGPS, Google Earth, and field checks. What it looks like in the GPS is City Navigator with topolines and much better hydrology. This is great for caching as many times it helps you figure out how to get to a cache as you can see the terrain and where the water is. That makes it easier to figure out how to get to a cache as a straight line is not always the best way. These maps are mostly in the ST Louis MO/IL region. But there are some for some places in IN, OH, KY, and Iowa.
• My Trails
  Price: Free
  These are transparent trails and points maps. They are meant to show things City Navigator does not have. My St. Louis Area Trail map has about 4000 points and about 4000 trail/road segments. They are trails, parking areas, roads not shown on City Navigator (for example, I have all the roads in Bush Wildlife Area), scenic areas, buildings, shelters, and various other things not shown in City Navigator. They are transparent so they show up over City Navigator like the topo lines. One problem I had with them was trails were sometimes hard to see when there were lots of close topo lines. Someone taught me how to use a new program that allows you to make Garmin display the trails as a thin red line. Now the trails show up extremely well. These maps cover the ST Louis MO/IL region very well. There are maps for all of IL and MO and other states like IN, CO, OH, DC, NM, KY, Iowa, MN, TN and VA.
• Other Maps
  Price: Free
  This set has three maps. One for the Mark Twain Lake (MOGA), Marquette State Park, and Cahokia Mounds State Historic Site. These are maps you can use if you don’t have City Navigator. These are non-transparent maps that have roads, trails, topo lines, POIs, and water. In MapSource you can also use them to see everything at once.
• US States & Counties Boundaries
  Price: Free
  Map of all the states and counties in the United States. This is a transparent map meant to overlay other maps.

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