Enjoy a morning hike to four beautiful ponds at the park.

Become a Junior Naturalist by learning all about Spring at the park.

Enjoy the peace and beauty of the night sky on this slow paced walk.

Walk one mile to the highest view in the park!

Join volunteer naturalists Candice and Tim for a birding hike in the park.  This walk is to introduce park visitors and all birders at all levels to the park's birds and all other natural wonders you might encounter. Registration is encouraged , but if you want to join us last minute please feel free to do so.

Discover the natural plants living in the south side of Mueller State Park.

Join us for a fun day of fishing, help reduce invasive species and win cash prices. Carp Fishing Tournament Bow and Rod at Barr Lake.&nbsp;Fishing from&nbsp;the Shoreline or&nbsp;Boat. Cash Prices.&nbsp;&nbsp; "<strong>Registration Required - Limited Number of Registrations."</strong> <strong>"35 boat limit registrations and 40 fishing from shore limit registrations</strong>."&nbsp; Only carp are weighted and counted. Must have a Colorado fishing license. Prizes: Boat with most carp - $1,000. Most carp caught from shore - $500. Largest overall carp - $250. Youth largest carp - $250. Smallest overall carp - $100. All carp will be composted.<strong>Register on-line</strong> and pay entry fee at the check-in table by the boat ramp. Entry fee required at the check-in table by the boat ramp. $10.00 Adult Entry Fee, and $5.00 Youth Entry Fee.

Learn all you need to know to start fly fishing. Gear included.

Been to our fly fishing basics class and want to know more? This is the class for you.