diff --git a/Lists_of_OSINT_Web_Resources/Mapping-and-Geospatial-Intelligence-GEOINT.md b/Lists_of_OSINT_Web_Resources/Mapping-and-Geospatial-Intelligence-GEOINT.md
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--- a/Lists_of_OSINT_Web_Resources/Mapping-and-Geospatial-Intelligence-GEOINT.md
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@@ -127,6 +127,10 @@
   An interactive map that you can use to create areas based on travel times. Useful for narrowing down places where a target would go for their lunch break for example.
 - [GeoVisual Search](https://search.descarteslabs.com/)  
   Descartes Labs process public and commercial satellite imagery to detect visual similarities between scenes, and apply machine learning to recognize different types of objects across the globe.
+- [GaiaGPS](https://www.gaiagps.com/map/)  
+  Access topographic maps, satellite imagery, hiking trails and more online or via their mobile application.
+- [SarTopo](https://sartopo.com/map.html)  
+  A mapping service often used by first responders. Offers many mapping layers like topographic, OSM, structures, weather, slope angles, geology, fire history and more.
 
 ## **Street View Maps**