The pilot reported flying into a canyon at 6100 feet msl with the intent to fly over it. During the maneuver, the airplane started to lose airspeed and altitude. The pilot attempted to turn around, but couldnt because the airplane would stall due to insufficient airspeed. The pilot initiated a forced landing into trees at the bottom of a ravine, causing substantial damage to the wings, fuselage and empennage. The pilot reported no mechanical failures or malfunctions with the airframe or engine at the time of the accident. The calculated density altitude for the conditions was 8238 feet msl.
