Lyons, CO is at 5,364' so roughly the same as Denver!
Please be prepared for a relatively large range of temperatures, Colorado can be unpredictable. The average high for the end of the month is in the 70s and average low is in the 40s.
Our dress code for the ceremony and reception is Garden Party Cocktail. Think bright colors, floral prints, mid to long length dresses for the ladies and suits or sport coats for the men.
We do not have a room block set up but we have several recommended places to stay listed on the travel page of our website.