If you have a Lowrance GPS and would like to be able to upload GPX files to your unit try the GPXtoUSR file converter from Lowrance. This tool is great for sending over Geocaching points for your next caching adventure.
Please read the license agreement
GPX to USR Geocaching Utility works with the following units:
iFINDER®, iFINDER Expedition™ C, iFINDERExplorer®,
iFINDER® H2O, iFINDER® H2O C, iFINDER® Hunt™,
iFINDER® Hunt™ C, iFINDER® Map&Music,
iFINDER® PhD, and iFINDER® Pro. GPX to USR Utility will
also work with all mounted, large-screen units with an MMC/SD