The orthomosaic was generated from an aerial survey conducted on a remnant of rainforest (semideciduous seasonal typology), on Federal University of Santa Maria (UFSM) and Federal Institute Farroupilha (IFFar) campus in the municipality of Frederico Westphalen, Rio Grande do Sul state, Brazil. The weather conditions were characterized by sun, no clouds and no wind. The product provided is part of a set of monthly surveys carried out over the respective area in order to study techniques of vegetation analysis by remotely piloted aircraft systems (RPAS). However, no publications have been generated yet. The survey was carried out at a flight height above ground of 200 meters, along track overlay of 85% and a cross overlay of 80%. A Phanton 4 was used with camera at nadir (90°) in automatic mode. 454 photos over an effective area of approximately 115 ha were obtained. For positioning correction, 11 control points were collected from fixed objects distributed throughout the area. For dense point cloud generation, the mild parameter was used.