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Grand Union Falls

Grand Union Falls, seen from above at true elevation

Grand Union Falls is a waterfall in Oregon, at a modelled elevation of 304 m. Mount Defiance stands 1,504 m to the northeast, 7.8 miles off. The nearest named place is Tunnel Falls, a waterfall 0.1 miles away. Historic Columbia River passes 9.0 miles off.

What the record says

Height
12.5 m

How to reach it

Coordinates45.58431, -121.85401

Named places within 25 miles

Waterfalls
Peaks
  • Chinidere Mountain: 2.1 mi
  • Indian Mountain: 2.8 mi
  • Tanner Butte: 2.8 mi
  • Tomlike Mountain: 3.1 mi
  • Sunshine Rock: 3.7 mi
Historic sites
Parks
  • Tollbridge Park: 5.8 mi
  • Navigation Lock Visitor Center: 5.8 mi
  • Bradford Island Visitor Center: 5.8 mi
  • Washington Shore Visitor Facility: 5.9 mi
  • Robins Island Recreation Area: 6.1 mi
Springs: 57
  • Indian Springs: 2.3 mi
  • Tanner Spring: 3.1 mi
  • Big Cedar Spring: 3.2 mi
  • Big Cedar Spring: 3.2 mi
  • Teakettle Spring: 5.1 mi
Artworks: 33
Cliffs: 23
  • Red Bluffs: 9.8 mi
  • Red Bluffs: 9.9 mi
  • Red Bluffs: 10.0 mi
  • Waespe Point: 11.1 mi
  • Sandy Glacier Headwall: 15.9 mi
Nature reserves: 12
Attractions: 11
Gardens: 8
  • Community Garden: 6.4 mi
  • Westside Community Garden: 17.4 mi
  • Scott Johnson Community Garden: 17.5 mi
  • Thomsen Orchard Community Garden: 18.3 mi
  • Rose Garden Labyrinth: 20.2 mi
Beaches: 8
  • Home Valley Beach: 9.3 mi
  • Windboarding Beachhead: 18.8 mi
  • Slackwater Beach: 18.8 mi
  • Marina Beach: 19.1 mi
  • Koberg Beach: 20.0 mi
Museums: 7
Picnic sites: 4
  • Eagle Creek Day Use Area: 5.2 mi
  • Ainsworth Day Use Area: 10.0 mi
  • Wahkeena Picnic Site: 13.2 mi
  • Hemlock Picnic Area: 15.6 mi
Ghost towns: 3
Natural arches: 1
  • Ed's Trail Arch: 22.1 mi

Summits around it

The highest named summits within 12.2 miles of Grand Union Falls. Elevation from each summit’s own record; bearing measured between the two coordinates.

SummitBearingElevationDistance
Mount DefianceNE 55°1,504 m7.8 mi
Red HillSE 145°1,502 m10.6 mi
Indian MountainSSE 154°1,491 m2.8 mi
Green Point MountainNE 55°1,443.8 m4.9 mi
Buck PeakS 183°1,443 m5.9 mi
Hiyu MountainSSE 168°1,418 m10.5 mi
Chinidere MountainE 86°1,416 m2.1 mi
Sentinel PeakSSE 166°1,391 m9.3 mi

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox07:1118:4119:20
June solstice05:1920:1521:01
September equinox06:5518:2819:07
December solstice07:4615:3716:27

Local time (America/Los_Angeles).

Climate normals

Months averaging 5080 °F: Apr–Oct.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F394146515762686964554539
Precip in11.38.79.16.54.13.20.60.92.67.312.513.4

1991–2020 U.S. Climate Normals, NOAA NCEI — Bonneville DAM, 6 mi away.

Months at or above the year’s average flow: Dec–Jun — fullest in May, leanest in Oct.

JanFebMarAprMayJunJulAugSepOctNovDec
Mean cfs31.129.529.831.733.730.223.820.418.317.522.027.6

USGS monthly mean discharge at gauge Bull Run River AT Lower Flume NR Brightwood, OR, 8 mi away — the nearest gauge, which can sit on a different stream.

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMap

OpenStreetMap element node/1224439591

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