28% of Boulder’s land is conserved, and virtually every resident lives within a half mile of a park
Virtually every resident lives within a half mile of a park. 90 miles of mapped trail cross Boulder, 3.4 per square mile of land. 28% of Boulder’s land is conserved, about 4,820 acres.
Among the top 1% of U.S. towns · #9 of 159 in Colorado. What drives it
Conserved land
28%
4,820 acres · of 26.9 sq mi of land
Trails
90 mi
3.4 per sq mi of land
Park land
4,276 ac
40 acres per 1,000 residents
Near a park
99%+
of residents within ½ mile
Bike routes
192 mi
53 mi lanes · 88 mi paths
Highest peak
6,204 ft
Table Mountain
Lakes & rivers
17
1 beach · 4 boat launches
What kind of outdoors town is Boulder?
Read from the map. The page puts what stands out first.
On conserved land, trails, park land and how close residents live to a park, Boulder is among the top 1% of U.S. towns, #9 of 159 in Colorado. All four inputs are above most U.S. towns; trail miles rank highest, park acres per resident lowest.
A+
OutdoorsA character grade: shown, never part of Boulder’s overall grade.
Among the 400 U.S. cities of 100,000 or more, Boulder ranks #3 on Outdoors.
Colorado towns conserve more land than most (a typical one, 7%; the U.S., 4%), so Boulder’s 28% is ahead of 94% of Colorado towns, while its trails per square mile lead 89% of them.
How sure. Graded on any three of the four inputs instead, the letter would still be A+. Trails and many small parks come from OpenStreetMap, mapped by volunteers, so coverage varies from town to town; the half mile is a straight line from each census block, so a river or highway in the way isn’t counted against it.
28% of Boulder’s land. Who manages Boulder’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Town or city4,544 ac
Land trusts & nonprofits483 ac
County350 ac
Private owners81 ac
Not recorded9 ac
Local Other or Unknown · 2,864 acLocal Park · 1,152 acUnknown Easement · 520 acPrivate Other or Unknown · 458 acOther Easement · 304 ac
Good to know
Conserved doesn’t always mean open to visitors. 297 acres are conservation easements, usually private land. Public access isn’t recorded for 13 of 173 parcels. The walks above are places people visit.
The biggest protected parcels
Parcel (PAD-US)
Managed by
Acres
Public access
City of Boulder City Parks
Local Park
Town or city
1,055
Open
National Center for Atmospheric Research
Private Other or Unknown
Land trusts & nonprofits
458
Open
Wells - East
Local Other or Unknown
Town or city
376
Open
Parsons - Open Space
Local Other or Unknown
Town or city
235
Open
Van Vleet - North
Local Other or Unknown
Town or city
186
Unknown
Erni - South
Local Other or Unknown
Town or city
166
Open
Boulder Land, Irrigation, and Power
Local Other or Unknown
Town or city
163
Open
Abbey, Benedictine
Local Other or Unknown
Town or city
158
Open
Boulder Valley Ranch - 103 Corp.
Local Other or Unknown
Town or city
156
Open
I.B.M.
Local Other or Unknown
Town or city
153
Open
5 smaller protected places aren’t shown.
Things to do
174 places to go in Boulder
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Beaches in Boulder
1 beach without a name on the map. Tap “Show all on map” to see it.
Includes school and college facilities, which aren’t always open to the public.
History along the way
22 places on the National Register, 2 of them National Historic Landmarks
The country’s official list of places worth saving (National Park Service). The map also marks 11 historic points from OpenStreetMap: plaques, memorials and old buildings.
The best walking months in Boulder: April and June
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Daylight (h)
9.6
10.6
11.8
13.2
14.4
15.0
14.7
13.7
12.4
11.1
9.9
9.3
High (°F)
46
47
56
62
71
82
88
86
79
66
54
45
Rain (in)
0.7
0.9
1.8
2.6
2.8
1.9
1.8
1.7
1.5
1.4
1.0
0.7
January is the driest month (0.7 in) and July the warmest (highs of 88 °F). 2.8 inches fall in May, the wettest month. Summer highs reach 88 °F, too hot for the outline. The climate in Boulder →
Next door
Boulder and its neighbors
Boulder has the most mapped trails of the 4 towns around it. Tap a town to see its outdoors.
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Boulder
Where can I hike in Boulder?
The longest trail networks: National Center for Atmospheric Research, 6.1 miles; Harlow Platts Community Park, 1.7 miles; Chautauqua Park, 0.9 miles; Tantra Park, 0.9 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Boulder is conserved land?
28% of its land, against a typical 7% for a Colorado town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on Boulder’s trails?
National Center for Atmospheric Research and Harlow Platts Community Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Boulder?
192 miles of bike routes are on the map: 53 of painted or protected lanes, 88 of off-road paths and 52 of shoulders and shared lanes. Named routes: Boulder Valley Ranch, Longmont-to-Boulder (LOBO) Regional Trail and B360.
Is there public land near Boulder?
116,977 acres of parks and open public land lie inside Boulder or within 10 miles of it (PAD-US), 4,276 of them inside the city line.
How much outdoors does Boulder have?
Among the top 1% of U.S. towns on the Outdoors grade, #9 of 159 in Colorado. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.
Trail talk
Conditions, parking and favorite walks from Boulder neighbors.