Attractions and places to see around Tall Timber, situated in the hills west of Boulder, Colorado, offer diverse outdoor experiences. This region features mountainous terrain with numerous trails and summits for exploration. Visitors can find challenging climbs, scenic viewpoints, and varied natural landscapes. The area provides a rural setting with accessible outdoor adventures.
Last updated: May 9, 2026
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Wonderful rock formation over boulders; summit with a small stone pyramid and a panoramic view of all the mountains visible from here. Ascent via various routes - basically accessible from all directions. If you're looking for solitude, you're in the wrong place here, but there aren't any crowds either. It's worth it!
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The lodge was built by the CCC in 1934 to have a charming backwoods appearance. This is a great spot to picnic and enjoy being out in the foothills.
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Lee Hill Drive is a popular, challenging climb that connects the intersection of Lee Hill with Olde Stage just outside of North Boulder, and Lefthand Canyon. The backside of Lee Hill (the Lefthand Canyon side) is a little nicer for climbing because there is less traffic than on the the Boulder side where there is no shoulder on a series of initial switchbacks. Regardless of which way you go up Lee Hill, coming down the 1,400 foot climb is a real treat after the challenging journey up!
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This section of the Cottonwood Trail is a short, but sweet, crushed gravel trail that connects Independence Road to Jay Road. It's a nice, scenic way to avoid some of the busy road crossings on Diagonal Highway while enjoying riding next to a creek and past some open fields. While all of this section of trail is very doable on a road bike, there is a bridge crossing that sometimes has planks loose or missing so be aware of that if you're skinnier tires!
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Lee Hill Drive is a popular and challenging climb that connects the intersection of Lee Hill with Olde Stage just outside of North Boulder, and Lefthand Canyon. The backside of Lee Hill (the Lefthand Canyon side) is a little nicer for climbing because there is less traffic than on the Boulder side where there is no shoulder on a series of initial switchbacks. Regardless of which way you go up Lee Hill, coming down the 1,400 foot climb is a real treat after the challenging journey up!
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This section of the Cottonwood Trail is a short, but sweet, crushed gravel trail that connects Independence Road to Jay Road. It's a nice, scenic way to avoid some of the busy road crossings on Diagonal Highway while enjoying riding next to a creek and past some open fields. While all of this section of trail is very doable on a road bike, there is a bridge crossing that sometimes has planks loose or missing so be aware of that if you're running skinnier tires!
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The Green Mountain Lodge, which can be reached by hiking half a mile from Flagstaff Mountain Road, was built by the Civilian Conservation Corps (CCC) back in 1934. This lodge was constructed in the classic "park rustic" style typical of the early 20th century. You can find more information about it on the Boulder Open Space and Mountain Park website. The roof truss structure was made of West Coast heartwood, pinned together with oak dowels. The paving flags for the patio terrace and the interior floor were carefully selected from the quarries of Lyons, while the walls were made from local stones. The shingles on the roof come in 12 different shades and sizes, ranging from antique green on the eaves to light red on the ridge crest, with grey and burgundy in between. The Green Mountain Lodge has recently undergone rehabilitation work and is now open to the public for meetings and picnics. It is located within the City of Boulder Open Space and Mountain Parks.
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Around Tall Timber, located in the hills west of Boulder, Colorado, you'll find diverse mountainous terrain. The area is characterized by numerous trails, challenging climbs, and prominent summits like Mount Sanitas, Green Mountain Peak, and Bear Peak. These offer scenic viewpoints and varied natural environments, from open fields to rugged mountain paths.
Yes, the area is known for its challenging terrain. Mount Sanitas is a popular choice, known for its demanding ascent. Bear Peak also offers a tough run with scrambling required for the final ascent, rewarding visitors with panoramic views. For cyclists, the Lee Hill Drive Climb presents a significant challenge.
For stunning vistas, consider Green Mountain Peak, which provides beautiful views, especially of the nearby Indian peaks. Bear Peak offers amazing views stretching across the Great Plains to the snow-capped Rocky Mountains. The Lee Hill Drive Climb also features viewpoints along its challenging route.
Visitors frequently appreciate the challenging yet accessible outdoor experiences. The area's summits, like Mount Sanitas, are highly regarded for their terrain and proximity to Boulder. The panoramic views from peaks such as Bear Peak and Green Mountain Peak are also a major draw, offering diverse perspectives on the landscape.
Yes, the Cottonwood Trail is a family-friendly option. This crushed gravel trail offers a scenic route next to a creek and past open fields, suitable for cycling and walking. For more easy hiking options, you can explore the Easy hikes around Tall Timber guide.
Beyond hiking, mountain biking and running are very popular. You can find a variety of routes for different skill levels. For mountain biking, check out the MTB Trails around Tall Timber guide, which includes routes like 'Betasso Preserve: Canyon and Benjamin Loops'. Runners can explore options in the Running Trails around Tall Timber guide, such as 'Mount Sanitas and Lion's Lair Loop'.
Absolutely. For those seeking less strenuous walks, the Easy hikes around Tall Timber guide features several accessible trails. Options include the 'Green Mountain West Ridge Trail' and the 'Canyon Loop Trail', providing enjoyable experiences without extreme elevation gains.
The region offers outdoor activities year-round. Summits like Green Mountain Peak are accessible in both summer and winter, providing diverse perspectives. While the guide doesn't specify a single 'best' time, the variety of trails and activities suggests that spring through fall are ideal for hiking and biking, with winter offering opportunities for snow-dependent activities.
When cycling the Cottonwood Trail, be aware that it's a crushed gravel path. While generally suitable for road bikes, there's a bridge crossing where planks can sometimes be loose or missing, so exercise caution, especially with skinnier tires. For more challenging road cycling, the Lee Hill Drive Climb is a popular, demanding route.
On trails like the Cottonwood Trail, you might encounter prairie dogs. The mountainous environment also supports various other wildlife, so keeping an eye out for local fauna is always a good idea while exploring the natural areas.
Yes, several loop walks are available. For running, the Running Trails around Tall Timber guide lists options like the 'Mount Sanitas and Lion's Lair Loop' and the 'Benjamin Trail Loop'. Easy hiking options also include loop trails such as 'Range View, Ute, May's Point, and Boy Scout Trail Loop' found in the Easy hikes around Tall Timber guide.


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