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Pearl Street MallPhoto: Lee Coursey · CC BY 2.0
A+Outdoors
Outdoors in Boulder

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.

Outdoors grade

How much outdoors does Boulder have?

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.
All U.S. towns we grade (21,298)Among the top 1%
LessMore
Colorado towns of 2,500+ (159)Ahead of 95%

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.

PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →

The map

Conserved land, trails & bike routes

Tap a number to zoom to a park. Tap a layer to hide it.

12345678
Easements protect land from building but are usually private.© OpenStreetMap contributors · USGS PAD-US
Places to walk

Pick a walk

The longest trail network is National Center for Atmospheric Research, with 6.1 miles. Directions go to the nearest trailhead or public parking.

National Center for Atmospheric Research

Managed by National Science Foundation
452 acres6.1 mi of trail
Bear Canyon - NCARN.C.A.R. TrailN.C.A.R. - Bear ConnectorN.C.A.R. - Table Mesa+1
Dog rules not recorded
Directionsto the parking lot

Harlow Platts Community Park

Park
52 acres1.7 mi of trail
Dog rules not recorded
Directionsto the parking lot

Chautauqua Park

Managed by The Colorado Chautauqua Association
36 acres0.9 mi of trail
Enchanted Mesa TrailBluebell Hiking Trail
No dogs
Directionsto the parking lotWebsite ↗

Tantra Park

Park
22 acres0.9 mi of trail
Tantra Park Path
Dog rules not recorded
Directionsto the parking lot

Arapahoe Ridge Park

Park
8 acres0.6 mi of trail
Dog rules not recorded
Directionsto the parking lotWebsite ↗

Foothills Community Park

Managed by City of Boulder
65 acres0.5 mi of trail
Foothills South
Dog rules not recorded
Directionsto the parking lotWebsite ↗

Tom Watson Park

Managed by City of Boulder
32 acres0.5 mi of trail
Dog rules not recorded
Directionsto the parking lotWebsite ↗

East Boulder Community Park

Park
54 acres0.4 mi of trail
Dog rules not recorded
Directionsto the parking lot
All 54 parks & preserves
National Center for Atmospheric Research452 acres · 6.1 mi of trail · National Science Foundation
Directions
Harlow Platts Community Park52 acres · 1.7 mi of trail
Directions
Chautauqua Park36 acres · 0.9 mi of trail · The Colorado Chautauqua Association
Directions
Tantra Park22 acres · 0.9 mi of trail
Directions
Arapahoe Ridge Park8 acres · 0.6 mi of trail
Directions
Foothills Community Park65 acres · 0.5 mi of trail · City of Boulder
Directions
Tom Watson Park32 acres · 0.5 mi of trail · City of Boulder
Directions
East Boulder Community Park54 acres · 0.4 mi of trail
Directions
Eaton Park23 acres · 0.3 mi of trail
Scott Carpenter Park18 acres · 0.3 mi of trail
Directions
Dakota Ridge Park3 acres · 0.3 mi of trail
Norlin Quadrangle2 acres · 0.3 mi of trail
Directions
Maxwell Lake Park8 acres · 0.2 mi of trail · City of Boulder
Fredrick Law Olmsted, Jr. Park6 acres · 0.2 mi of trail · City of Boulder
Directions
Crestview Park8 acres · 0.1 mi of trail · City of Boulder
Elmer's Two Mile Park5 acres · 0.1 mi of trail
Directions
Twin Lakes4 acres · 0.1 mi of trail
Central Park4 acres · 0.1 mi of trail
Directions
Salberg Center and Park3 acres · 0.1 mi of trail · City of Boulder
Directions
Tantra Environmental Park3 acres · 0.1 mi of trail · City of Boulder
Directions
Greenleaf Park2 acres · 0.1 mi of trail
Directions
Edward Sell Smith Park2 acres · 0.1 mi of trail
Catalpa Park2 acres · 0.1 mi of trail · City of Boulder
The Peoples' Crossing1 acres · 0.1 mi of trail · City of Boulder
Directions
North Boulder Park11 acres
Directions
Martin Park10 acres
Directions
Primos Park9 acres · City of Boulder
Directions
Admiral Arleigh A. Burke Park9 acres
Directions
East Mapleton Ball Fields8 acres
Directions
Eben G. Fine Park8 acres
Directions
Elks Park7 acres
Directions
Howard Hueston Park6 acres
Parkside Park5 acres
Directions
Meadow Glen Park5 acres · City of Boulder
Keewaydin Meadows Park5 acres
Directions
Columbine Park5 acres
Directions
Shanahan Ridge Park4 acres
Christensen Park4 acres · City of Boulder
Park East Park3 acres
Directions
Bear Creek Park3 acres
Directions
Beach Park3 acres
Directions
Winding Trail Village3 acres
Directions
Arrowwood Park3 acres · City of Boulder
Emma Gomez Martinez Park2 acres · City of Boulder
Directions
Holiday Park2 acres
Directions
Bill Bower Park2 acres · City of Boulder
Directions
Tantra Sledding Hill2 acres
Directions
Sombrero Marsh Park1 acres
Directions
Pine View Park1 acres · City of Boulder
Melody Park1 acres · City of Boulder
Haertling Sculpture Park1 acres · City of Boulder
Directions
Andrews Arboretum1 acres · City of Boulder
Directions
Canyon Pointe Park1 acres · City of Boulder
Directions
Sinton Park1 acres · City of Boulder
Directions
Who protects it

4,820 conserved acres

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 byAcresPublic access
City of Boulder City Parks
Local Park
Town or city1,055Open
National Center for Atmospheric Research
Private Other or Unknown
Land trusts & nonprofits458Open
Wells - East
Local Other or Unknown
Town or city376Open
Parsons - Open Space
Local Other or Unknown
Town or city235Open
Van Vleet - North
Local Other or Unknown
Town or city186Unknown
Erni - South
Local Other or Unknown
Town or city166Open
Boulder Land, Irrigation, and Power
Local Other or Unknown
Town or city163Open
Abbey, Benedictine
Local Other or Unknown
Town or city158Open
Boulder Valley Ranch - 103 Corp.
Local Other or Unknown
Town or city156Open
I.B.M.
Local Other or Unknown
Town or city153Open

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.

Scenic views in Boulder
Spectator Plaza
Directions
Tour Stop 10In Chautauqua Park
Directions
Tour Stop 20In Chautauqua Park
Directions
Tour Stop 30In Chautauqua Park
Directions
Tour Stop 40In Chautauqua Park
Directions
Tour Stop 50In Chautauqua Park
Directions
Tour Stop 60In Chautauqua Park
Directions
Tour Stop 70In Chautauqua Park
Directions
2 more scenic views
Tour Stop 80In Chautauqua Park
Directions
Tour Stop 90
Directions

Plus 4 scenic views without a name on the map.

Trails & water

25 named trails and 17 lakes & rivers

Named trails
Open to bikes · 30.0 miHorses · 18.3 miUnpaved · 58.0 mi
Wonderland Hill2.2 mi
Hogback Ridge Trail1.8 mi
Eagle Trail1.5 mi
Mesa Trail1.4 mi
Shanahan - South Fork Trail1.3 mi
Red Rocks Spur Trail1.2 mi
Wonderland Lake Trail1.0 mi
Four Pines Trail1.0 mi
Cobalt Trail1.0 mi
Foothills South0.9 mi
15 more trails
Tantra Park Path
0.8 mi
Old Kiln
0.8 mi
Foothills North Trail
0.8 mi
Hidden Valley
0.8 mi
Shanahan - North Fork Trail
0.7 mi
N.C.A.R. Trail
0.7 mi
Bear Canyon - NCAR
0.7 mi
Middle Fork Shanahan Trail
0.7 mi
IBM Connector Trail
0.6 mi
Longmont-to-Boulder (LOBO) Regional Trail
0.6 mi
Enchanted Mesa Trail
0.6 mi
North Sky Trail
0.6 mi
Boulder Reservoir Dam (South)
0.6 mi
Golden Meadow Trail
0.6 mi
N.C.A.R. - Bear Connector
0.5 mi
Lakes & rivers tap for directions
Biking & sports

192 miles of bike routes

Bike lanes are often missing from the map in smaller towns, so that number is likely low.

53 mi
painted or protected bike lanes
88 mi
off-road bike paths
52 mi
shoulders & shared lanes
Boulder Valley RanchBike route
2.8 mi
Longmont-to-Boulder (LOBO) Regional TrailBike route
1.2 mi
B360Bike route
0.5 mi
Courts & fields
101Tennis
45Basketball
34Baseball
24Beach volleyball
19Soccer
14Football
4Volleyball
4Pickleball

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.

History →
★
Boulder County CourthouseNational Historic Landmark · Building
About it
★
Colorado ChautauquaNational Historic Landmark · District · listed 1978
About it
Chautauqua AuditoriumBuilding · listed 1974
About it
Squires-Tourtellot HouseBuilding · listed 1978
About it
Highland SchoolBuilding · listed 1978
About it
Woodward-Baird HouseBuilding · listed 1979
About it
Carnegie LibraryBuilding · listed 1979
About it
Norlin Quadrangle Historic DistrictDistrict · listed 1980
About it
Downtown Boulder Historic DistrictDistrict · listed 1980
About it
US Post Office-Boulder MainBuilding · listed 1986
About it
Northern Colorado Power Company SubstationBuilding · listed 1986
About it
Hotel BoulderadoBuilding · listed 1994
About it

10 more on the History page.

When to get out

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.

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)9.610.611.813.214.415.014.713.712.411.19.99.3
High (°F)464756627182888679665445
Rain (in)0.70.91.82.62.81.91.81.71.51.41.00.7

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.

TownConserved
of land
Trail mi
per sq mi
Park acres
per 1,000
Near a park
½ mile
Outdoors
Boulder28%3.44099%+A+
Gunbarrel56%2.416199%+A+
Pine Brook Hill— not graded: under 1,000 residents or part of its town
Niwot39%3.73199%+A+

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.

Town Square →
Share a tip
Sources

Where this page comes from

Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →