Mount Falcon Castle Trail Loop is a 6.7 mile heavily trafficked loop trail located near Morrison, Colorado that offers the chance to see wildlife and is rated as moderate. The trail offers a number of activity options and is best used from March until October. Dogs are also able to use this trail but must be kept on leash.
Please check with the park before attempting this hike since it closes during wet conditions: https://www.jeffco.us/1332/Mount-Falcon-Park
The route starts climbing immediately through gorgeous miles of switchbacks.