You can use OruxMaps for your outdoor activities.
It is an online and offline map viewer. With this app, you can use different map formats such as GeoPDF from USGS store, GeoTIFF maps, .ozf2, .img garmin (vector, full support not provided), .mbtiles and others.
+ Support for KML KMZ and GPX formats.
+ Download maps online for offline use.
+ Text-to-speech support.
+ Profiles; save your preferences on your SD card.
+ Statistics with graphs.
+ Types of custom waypoints, with your icons.
+ Basic support for Geocaching.

Supported Android
(4.1 and up)
Jelly Bean (4.1 – 4.3.1),KitKat (4.4 – 4.4.4),Lollipop (5.0 – 5.1.1),Marshmallow (6.0 – 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)

Download OruxMaps GP 8.0.1GP APK Patched

OruxMaps_GP-v8.0.1GP_build_800010-Mod-armeabi-v7a.apk