Complex sentence: Del Norte is located at (37.679015, -106.352976), where the Rio Grande leaves the San Juan Mountains and enters the San Luis Valley, near the confluences of Pinos Creek and San Francisco Creek.
Split into simpler sentences: Del Norte is located at (37.679015, -106.352976). The town is located where the Rio Grande leaves the San Juan Mountains and enters the San Luis Valley, near the confluences of Pinos Creek and San Francisco Creek.