
The inactive golf season in Colorado is generally considered to be from mid-October to mid-May. Mountain courses typically close in October and may even close earlier if there is an early snowfall. The Colorado Golf Association (CGA) has established an inactive season from November 15 to March 15, with some variations depending on the region and elevation. During the inactive season, golfers' scores do not count towards their Handicap Index, as the season aims to address the impact of seasonal weather conditions on golf courses.
| Characteristics | Values |
|---|---|
| Inactive golf season in Colorado | Mid-November to mid-March |
| Start date | November 15 |
| End date | March 15 |
| Reason | First snow falls, courses close |
| Courses that close | Mountain courses |
| Courses that remain open | Denver, Front Range, Western Slope |
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What You'll Learn

The inactive golf season in Colorado starts on November 15
In Colorado, the golf season typically becomes inactive in the fall when the trees lose their leaves. This can significantly affect gameplay as bare trees allow shots to sneak through, resulting in lower scores. The Colorado Golf Association (CGA) volunteer ratings team does not reconvene until late May at the earliest, making an inactive season necessary to maintain consistency in course ratings.
Mountain courses in Colorado often close as early as October, sometimes even sooner if there is an early snowfall. Courses in Denver and on the Front Range may remain open during the winter, but playing conditions differ significantly from those in midsummer. Western Slope courses, on the other hand, attract players almost all year round.
To strike a balance, the CGA's director of club and facility services, Aaron Guereca, proposed March 15 and November 15 as the start and end dates for the inactive season. This period ensures that golfers do not experience handicap drops during the winter months when courses are unrated and in different shapes.
Golfers in Colorado can use the inactive season to focus on maintaining their muscle memory and trying out alternative games and practices. It's worth noting that some states, like California and Florida, have favourable year-round climates and do not observe an inactive golf season.
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The season is determined by the weather and course conditions
The inactive golf season in Colorado is determined by the weather and course conditions. The season typically starts on November 15, when snow begins to fall, and ends on March 15. During this time, golf courses in the state may close due to adverse weather conditions, with mountain courses closing as early as October and not reopening until late May.
The inactive season is a period when any rounds played in an individual's home state or region do not count toward their Handicap Index. This is because the seasonal weather can impact the conditions of a golf course, affecting the playing length and difficulty. For example, trees lose their leaves in the fall in Colorado, which can impact the ball in the air during a game.
The Colorado Golf Association (CGA) has established an inactive season to address the changes in course conditions during the winter months. The CGA's director of club and facility services, Aaron Guereca, explains that the chosen dates of March 15 and November 15 were selected as a "happy medium" as the course is no longer in the same shape as when it was rated during this time.
The duration of the inactive season varies by region, with some states like California and Florida remaining active year-round due to their favourable climates. In contrast, states like Utah and Nevada have established year-round seasons in the south and inactive seasons in the north, based on geographical demarcations.
Golfers in Colorado can take advantage of the varied conditions within the state during the winter months. While mountain courses may be closed, Denver and Front Range courses may be open, albeit with different playing conditions compared to midsummer. The Western Slope courses also offer year-round golfing opportunities.
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Courses in the mountains close in October, and sometimes earlier
Golf courses in the mountains of Colorado typically close in October, and sometimes earlier if there is a first snowfall. These courses remain closed until late May. Denver and Front Range courses, on the other hand, tend to stay open as long as there is no snow on the ground, offering a very different playing experience compared to midsummer.
The elevation of a golf course plays a significant role in determining its operational seasonality in Colorado. Mountain courses, such as Fossil Trace Golf Club in Golden, which is nestled adjacent to the foothills of the Rocky Mountain Front Range, offer a mountain course feel in an urban setting. This course, in particular, provides golfers with a unique experience, combining modern golf challenges with a glimpse into the area's prehistoric past.
The presence of snow can impact the playing conditions and accessibility of golf courses. While mountain courses may close due to snow, Denver and Front Range courses may remain open, albeit with varied playing conditions. Additionally, the loss of leaves in the fall can also influence the playing experience, as trees and leaves are significant factors in course ratings. Bare trees during the fall can lead to lower scores as shots can sneak through the branches.
To address the variations in playing conditions caused by seasonal changes, the Colorado Golf Association (CGA) has established an inactive season from November 15 to March 15. This period aims to standardize the golfing experience and handicap calculations across the state. During this time, golfers are encouraged to maintain their muscle memory and explore alternative golf destinations in states like Florida, Arizona, California, and Hawaii.
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Denver and Front Range courses open when there is no snow
Golf courses in Colorado tend to have different inactive seasons depending on their location. Mountain courses usually close entirely in October or even earlier if there is a snowfall and do not reopen until late May.
Denver and Front Range courses, on the other hand, remain open as long as there is no snow on the ground. However, playing conditions can vary significantly from those in midsummer. The CGA's director of club and facility services, Aaron Guereca, suggests that a happy medium for these courses would be to consider the period from November 15 to March 15 as the inactive season. During this time, golfers can focus on maintaining their muscle memory.
The decision to consider November 15 as the start of the inactive season is practical, as it would be challenging to determine a specific date based on the first snowfall. While some courses may remain open during this time, the playing conditions can differ due to factors like trees losing their leaves, which can impact shot-making.
Denver and Front Range golfers can take advantage of the region's relatively mild winters to practice their swing and enjoy the game even during the off-season. Courses like the Green Valley Ranch Golf Club, conveniently located between downtown Denver and Denver International Airport, offer award-winning 18-hole Championship and 9-hole par-3 courses open for golfers throughout the year.
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Western Slope courses are open almost all year
Golfers in some states will find their golf season move from "active" to "inactive" as it pertains to their Handicap Index. The inactive season is the period when any round played in your home state or region does not count toward your Handicap Index. The duration varies by region, with some states remaining active due to favourable year-round climates.
In Colorado, mountain courses tend to close completely in October and sometimes earlier if there is snow. They usually do not reopen until late May. Denver and Front Range courses tend to open when there is no snow on the ground, but with different playing conditions than in midsummer.
However, Western Slope courses are open almost all year round. They beckon players nearly every month, with only occasional closures due to snowfall. This makes them a popular choice for golfers even in the inactive season, which in Colorado, is generally considered to be from 15 November to 15 March.
The Colorado Golf Association (CGA) has established these dates as a "happy medium" to address the impact of seasonal changes on course conditions and ratings. During the inactive season, golfers are encouraged to maintain their muscle memory and work on their game, rather than posting competitive scores.
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Frequently asked questions
The inactive golf season in Colorado is from 15 November to 15 March.
The inactive season exists to address how seasonal weather can impact the conditions of a golf course.
Yes, mountain courses tend to close completely in October and not reopen until late May. Courses in Denver and on the Front Range tend to open when there is no snow on the ground. Courses on the Western Slope are open nearly year-round.











































