JTP_7756 Published August 22, 2016 at 500 × 333 in Pikes Peak Cog Railroad ← Previous Next → A yellow bellied marmot suns itself near the tracks of the Pikes Peak Cog Railroad on Sunday, August 21, 2016. A yellow bellied marmot suns itself near the tracks of the Pikes Peak Cog Railroad on Sunday, August 21, 2016.