Skip to content

Demonstration Garden

Marked private. Do not count on getting in.

Demonstration Garden from directly overhead

Demonstration Garden is a garden in California, at a modelled elevation of 252 m. Ontario Peak stands 2,640 m to the northeast, 17 miles off. The nearest named place is REACH Community Garden, a garden less than a tenth of a mile away. Arroyo Seco Historic Parkway - Route 110 passes 18 miles off.

How to reach it

Coordinates34.05041, -117.84073

Overlooks nearby

Named places within 25 miles

Parks
  • BioTrek Garden: 0.9 mi
  • Boltz Courtyard: 0.9 mi
  • Heidelberg Park: 1.0 mi
  • Snow Creek Park: 1.1 mi
  • Country Hollow Park: 1.3 mi
Historic sites: 60
Museums
Attractions
  • Fairplex Garden Railroad: 4.9 mi
  • Tongva Village: 8.4 mi
  • Redwood Grove: 9.4 mi
  • The "M": 12.4 mi
  • M3 Lee: 12.8 mi
Peaks
Artworks: 59
Nature reserves: 51
Gardens: 50
Picnic sites: 32
  • Site A: 4.3 mi
  • Site B: 4.3 mi
  • Site D: 4.4 mi
  • Site E: 4.4 mi
  • Site C: 4.4 mi
Springs: 32
  • Big Cienega Spring: 7.6 mi
  • Carbon Canyon Mineral Springs: 7.9 mi
  • McDermont Spring: 10.6 mi
  • Fern Springs: 12.4 mi
  • Fallen Leaf Spring: 14.1 mi
Waterfalls: 31
  • Wolfskill Falls: 10.1 mi
  • Fish Canyon Falls: 10.2 mi
  • Mayberg Waterfall: 13.8 mi
  • Hermit Falls: 14.0 mi
  • Sturtevant Falls: 15.1 mi
Cliffs: 2
  • Norco Bluffs: 17.0 mi
  • Upper Switzer Falls Grotto: 23.0 mi
Rest areas: 1
  • Mt. Baldy Wayside Picnic Site: 17.3 mi
Hot springs: 1
  • Spa Palace: 24.5 mi

Summits around it

The highest named summits within 17.7 miles of Demonstration Garden. Elevation from each summit’s own record; bearing measured between the two coordinates.

SummitBearingElevationDistance
Ontario PeakNE2,640 m17.4 mi
Sugarloaf PeakNE2,091 m17.7 mi
Turtle's BeakNE2,090 m15.5 mi
Greater Calamity PeakNE2,068 m17.7 mi
Lookout MountainNE2,036 m16.6 mi
Triplet RocksNNW1,875 m17.7 mi
Rattlesnake PeakNNE1,776 m15.7 mi
Calamity PeakNE1,768 m17.4 mi

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox06:5618:3019:03
June solstice05:4119:3020:07
September equinox06:4018:1718:50
December solstice06:5416:0816:47

Local time (America/Los_Angeles).

Climate normals

Months averaging 50–80 °F: year-round.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F565660636671767875676054
Precip in2.94.12.11.00.20.10.00.00.01.00.72.3

1991–2020 U.S. Climate Normals, NOAA NCEI — Pomona/fairplex, 5 mi away.

  • Western Fence Lizard198 obs
  • Eastern Fox Squirrel159 obs
  • White Horehound130 obs
  • Garden Snail122 obs
  • Toyon113 obs
  • Western Honey Bee112 obs
  • castor bean101 obs
  • California Buckwheat92 obs

Research-grade iNaturalist community observations within 3 km — what people have recorded, not a species inventory.

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMapOfficial site

OpenStreetMap element way/1258812831

More gardens in California

Day trips start here

Private beta · Free to join

Take the scenic way.

Byway plans around your taste, mapped places, real weather and opening hours — then opens every leg in Google Maps with one tap.

Private beta · Free to join · No card · Invite when a spot opens