ParksAtlas
East Columbia · District 2 · Public garden · 27 acres

Columbia Childrens Arboretum

Public gardenLimited access / participation

Check the operator’s hours and admission or registration terms; participation may be limited. Public-entry status is separate from wheelchair accessibility.

Classification and evidence

Official page label: Arboretum; Atlas classification rules. Classification: source-labeled.

Source captured: 2026-06-02. Human verification: Pending.

Check current official information
Suggest a correction

Published activities: use a restroom, walk or roll on pavement, and use an accessible restroom.

Getting there
10040 NE 6th Drive Portland, OR 97211
Dogs
Dogs on leash
Access
Accessible restroom, accessible picnic area
ADA paved path curving through tall trees in fallPhoto from the City's park page

Park history

In 1900, the area along the Columbia River northeast of Portland was primarily farmland. It flooded every spring with heavy rainfall and melting mountain snows. In the dry summer and fall, water remained in shallow lakes and narrow sloughs. The land between the waterways formed great meadows surrounded by massive cottonwoods and other riparian plants.

John Charles Olmsted looked at this land with foresight. Although most considered it valueless for any other purpose than farming, he proposed acquiring a large acreage in the Columbia Slough region for future parkland. He wrote about the potential of this landscape as a contrast to the hills and river frontages in other parts of town to provide ". . . great stretches of meadow land bordered and diversified by groves of trees. No other form of the park has ever proved so attractive and so useful to the masses of the people as the meadow park, particularly when there can be associated with it long reaches of still water as a landscape attraction and for boating purposes."

Olmsted proposed that Columbia Slough Park would not only provide still waters for boaters unsure of the Willamette River's strong currents, but also broad meadows for recreation such as picnicking, strolling, fast driving, horse racing (as long as gambling could be prevented), and golfing if it should retain its popularity. He suggested that the City secure hundreds to several thousand acres while this land remained inexpensive because of its regular flooding and its great distance from city development.

The land Olmsted proposed for Columbia Slough Park surrounds Switzler’s Lake. Much of this land was farmed by a family named Delminico in the early 20th century. Along with other farmers in the area, they built the original levees between 1917-1919 to reduce yearly flooding from the river. By 1920, enough families had moved into the area that an educational facility was needed for the neighborhood children. Columbia School District #33 was organized and land was purchased for a grade school and high school along NE Sixth Ave. An elementary school was built on the property located at the corner of NE Sixth and Marine Dr. The high school property one block west, which was never developed, is now the Columbia Children’s Arboretum. The Columbia School District was annexed by Faloma District #33 in 1935, then reorganized as Columbia District #33 again in 1944. Portland Public Schools finally annexed the land and school in 1964.

From the City's page for this park.

Visitor amenities

Published amenities are checked separately from entry conditions. Each links to other documented locations; confirm current hours before visiting.

…stay a while
…play
…get here and move

What kind of place this is

A public garden or arboretum, cared for as a collection rather than as open park land. Classified from official page labels it “Arboretum”; our model.

What else should this park let you do?

Something specific to this park — the thing you'd use it for if it were here.

Send an idea for this park →

School grounds nearby

Public school grounds within a half mile, by straight line. What is listed is what OpenStreetMap mappers have recorded, not an inventory. The district sets public access.

Beyond parks explains what opening a school ground would take.

School grounds: Metro RLIS. Features inside them: © OpenStreetMap contributors (ODbL).

Through the year

Seasonal facilities and listings captured by the Atlas. These records do not measure attendance, utilization or all activity at the site.

Counts describe captured listings, not attendance or all activity. No listings captured does not mean the site is unused.

Winter
Dec–Feb

Dark by 5 and wet most days: cover, lighting, indoor rooms, and paths that drain.

  • use a restroom
  • walk or roll on pavement
  • use an accessible restroom
  • play in nature
  • picnic with everyone
0 programs · 0 events starts captured
Spring
Mar–May

Fields and gardens open; showers between sun. Leagues, planting, first picnics.

  • use a restroom
  • use an accessible restroom
  • play in nature
  • walk or roll on pavement
  • picnic with everyone
0 programs · 0 events starts captured
Summer
Jun–Aug

Water, shade, long evenings — the season the system is built around.

  • use a restroom
  • use an accessible restroom
  • play in nature
  • walk or roll on pavement
  • picnic with everyone
0 programs · 0 events starts captured
Fall
Sep–Nov

Light shortens and leagues wind down; shelters and lighting carry the season.

  • use a restroom
  • use an accessible restroom
  • play in nature
  • walk or roll on pavement
  • picnic with everyone
0 programs · 0 events starts captured
What the record holds here, by season
SeasonProgramsRecurring eventsOne-time
Winter Dec–Feb
Not yet published
———
Spring Mar–May
Recorded from 2026-06-11
000
Summer Jun–Aug
Recorded from 2026-06-11
000
Fall Sep–Nov
Recorded through 2026-10; 1 month still to come
000
Our reading of the calendar
Which facilities count as in season is our model of Portland's year (splash pads and wading pools in summer; fields, gardens and interactive fountains spring through fall; everything else year-round) — not the City's schedule. Check posted hours for pools, splash pads, and restrooms. From 16 weekly catalog snapshots (2026-06-11 to 2026-10-12). "Programs" are distinct titles; "sections" are the catalog's individual records — a swim level at one time slot for one week is one section. Complete through 2026-10; later months fill in as registration opens. Winter counts fill in when winter registration opens.

What's on

No current listings were captured and matched to this property. This does not establish that no activity takes place. See the citywide calendar and programs.

Partners & friends

The whole ecosystem
Opportunity signal

No known partner is currently linked to Columbia Childrens Arboretum in the Partnership Atlas. This is an opportunity signal, not an official priority.

See opportunity signals

How it's holding up

The City's own inventory of what is here and the condition it last recorded for each item. Dates are the source's; old dates mean no newer public assessment, not that nothing has happened since. Historical project estimates appear below; they are separate from these condition records.

Historical cost profile · 2023 reporting

Columbia Childrens Arboretum

$147K

1 distinct source rows. Proposed repair and improvement costs, not a current funding gap.

All-in annual service cost: Not established

Current remaining repair cost: Not verified

What the estimates cover

Landscape & habitat$147K

Categories are Atlas labels based on project titles. Expansion and new provision are included where proposed; a project can include several kinds of work.

The work, cost & reason (1 source rows)
Ecological Restoration_ Columbia Childrens Arboretum$147,006

Asset as named in source: Not specified

Placholder for Ecological health restoration

KGW table row 126. Source field: “Escalated Estimate.” Estimate date, inflation basis, funded amount and completion status are not supplied.

Original source table ↗

0 of 55 assessed built records are rated poor or very bad in the separate condition dataset. Condition ratings do not determine these dollar estimates.

Source: KGW’s November 2023 table. Current status, remaining scope and funding are unverified. Exact duplicate rows count once; other scope overlaps remain unresolved.

Compare repair estimates across parks →

Annual service · FY 2026–27 adopted

A complete annual cost is not yet available.

This property has no named account linked in the public budget extract. Shared crews and citywide programs may still fund its care.

Later budget supplements and unallocated shared services are not included.

Annual breakdown & district context →

District picture · District 2

This park in the district picture

The same public records, read the same way for every property, so this park can be set next to its district. Each figure keeps its own source and date. “Not available” means the source has no record for this property. It is not a zero.

People nearby

Residents within a half mile
2,603
Households within a half mile
1,181

2020 Census blocks whose centre point lies within a half mile of the park boundary, measured in a straight line. Residents, not visitors. Blocks outside the city limits count.

Recorded backlog

Open backlog IDs
1
Closed backlog IDs
2

Records in the PP&R backlog map workbook that name this property. The workbook publishes no cost field, so these are counts of records, not dollars.

Active capital projects

Active geocoded projects
0

Geocoded PP&R capital projects at this property, a subset of the full capital program. The cost is the published estimated total project cost, not spending to date.

Registered programs

Program sections
1
Registrations
5
Venue
Location: Columbia Childrens Arboretum 10040 NE 6th Drive Portland, OR 97211

ActiveNet snapshot taken September 15, 2026. Sections are scheduled classes or sessions; registrations are enrolments on that date, not attendance.

Who is on record

Stewardship group on record

A conservancy, friends group or stewardship partner is on record here. The split of tasks between staff and volunteers is not published.

From the department-provided partnership directory. It records what is on paper, not who does each task.

Condition across all assets

Citywide condition atlas

Across 55 assessed assets at this park, 0% are in poor or very-bad condition (rated 4–5). Pooled from the City's public assessment layers — buildings, bridges, playgrounds, courts, fields, fences, paths and amenities.

This count comes from the City's rated asset layers; the “Public assets” list below is a separate furnishings inventory, so its items and scores are counted separately and the two totals need not match.

Good · 30Above fair · 17Fair · 8Poor · 0Very bad · 0
Assessed asset families here
Amenities & furnishings2007 (2007–2026)Bridges2021Buildings2018Pathways & trails

Condition is rated 1 (good) to 5 (very bad); no score means not yet assessed and is excluded. Park trees are inventoried separately and not counted here. These assessment records do not contain repair costs. Historical project estimates are shown separately.

Repair ledger

Public data does not currently flag repair candidates for this park. Additional PP&R maintenance exports can be added without changing the page structure.

Know this park?

Seen something here that's broken, fixed, or missing from this list? Records are updated periodically; tell us what you see.

Send a condition note →

Public assets

All 40

Furnishings the City inventories here, with each item's condition score — 1 is good, 5 is very bad. Asset photos aren't public yet.

Permanent Bollard×15
3×12×101×3–×1
Picnic Table×6
333333
Art Work×5
11111
Bench×5
12212
Bike Rack×2
11
Kiosk×2
1–
Litter Bag Dispenser×2
12
Permanent Trash Can×2
–1
Drinking Fountain×1
1
Official Portland.gov profile

From the City's park page

Columbia Children's Arboretum on Portland.gov

Open official page

This page contains information about the Columbia Children's Arboretum.

Nestled in North Portland, the Columbia Children’s Arboretum offers an accessible, family-friendly trail experience within 27 acres of scenic natural space.

The 1-mile loop invites visitors to enjoy an easy and leisurely walk through shaded groves, ponds, and native plantings, with paths designed for year-round accessibility. The main trail follows a paved ADA-accessible route, winding across the park and meeting a gentle dirt loop for those seeking an off-road experience.

The arboretum, recently renovated to enhance accessibility and usability, provides several thoughtfully designed amenities. From ADA-accessible parking, restrooms, and drinking fountains, to picnic areas and nature exploration spots, visitors of all ages and abilities can comfortably experience the area’s beauty. Benches dot the landscape, offering peaceful rest stops to admire the vibrant seasonal colors, while improved signage and parking support an easy visit whether you're walking, rolling, or arriving by vehicle.

City label
Arboretum
Year acquired
1999
Official acres
27.178
City section
NE
Neighborhood
East Columbia
Location

10040 NE 6th Drive Portland, OR 97211

Directions
Amenities and activities
Nature-based play areaAccessible picnic areaAccessible restroomPaths (paved)

All dogs must be leashed in this park.

This page, on a sign

The QR label for this park points here. Print labels →

https://parks.portlandciviclab.org/parks/columbia-childrens-arboretum-15?utm_source=park_qr&utm_medium=sign&utm_campaign=park_15

Where this comes from

Facilities from the City's amenity pages and asset layers; hours, photo, and history from the City's park page; programs and events from its catalogs; condition from PortlandMaps public records. Where the City publishes nothing, this page says so instead of guessing.