Derince - Çınarlıdere Hiking Save to a List Aziz Ötkür Distance 7.48mi Elevation + 505f TrailRank 8 View trail
Kartepe kısa keşif yürüyüşü Hiking Save to a List Aziz Ötkür Distance 2.32mi Elevation + 253f TrailRank 1 View trail
Körfez ilimtepe - dereköy Hiking Save to a List Aziz Ötkür Distance 7.96mi Elevation + 1073f TrailRank 15 View trail
İzmit-yuvacık-tepecik- serindere Mountain Bike Save to a List Aziz Ötkür Distance 38.31mi Elevation + 3711f TrailRank 13 View trail