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Toronto Islands - South Island Park — site photograph
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Ravine / Naturalized Parkcluster ·Ravine SliversWaterfront Communities-The Island (77)confidence lowreal Toronto data

Toronto Islands - South Island Park

Ravine / Naturalized Park, below average overall (score 29, rank ~27th percentile). Strongest: natural comfort; weakest: enclosure.

Aerial — City of Toronto orthophoto, ~8 cm/px source · cached 5/9/2026

Toronto Islands - South Island Park scores 29.3 / 100. Strongest dimensions: natural comfort and enclosure / eyes on park. Weakest: amenity diversity (0). Border-vacuum risk is low. This score is a transparent reading of Jane Jacobs-style vitality factors — not a definitive judgment.

Best for:escape into natureshaded summer use

Area · 1.74 ha

Vitality Score
29/100

Weighted across six dimensions · confidence 36%

Data Confidence
29.3 / 100
Citywide
27th
of all 3,273 parks
Among Ravine / Naturalized Park
28th
same primary typology
Expected for similar parks
36
median in medium Ravine / Naturalized Park ravine (n=213)
Performance gap
-6
raw − expected · context confidence high
modest underperformer

Scores are not bell-curved. Percentiles and expected scores provide context without changing the underlying model.

Explain this score

Where did the 29 come from? Each weighted contribution against a neutral 50 baseline. Green = pushed up; red = pulled down.

Download JSON
What pushed this score up or down vs a neutral 50weight × score
Edge Activation0 · p12
-12.5
Amenity Diversity0 · p17
-10.0
Connectivity22 · p10
-5.5
Natural Comfort84 · p94
+5.1
Border Vacuum Risk0 (risk)
+5.0
Enclosure / Eyes on Park23 · p1
-2.7

Sum of contributions = the headline score. A negative bar means that dimension dragged the park below the city-wide neutral baseline.

Why this park works

Toronto Islands - South Island Park works because its natural comfort score (84) is in the top tier (92% tree canopy provides real shade; it sits inside the ravine system).

What limits this park

Toronto Islands - South Island Park is held back by enclosure (23, bottom quartile)— no mid-rise frontage to provide eyes on the park.

Most distinctive characteristic

Most distinctive feature: exceptionally low enclosure (23, bottom quartile).

Jacobs reading

Toronto Islands - South Island Park is an ecological retreat. The urban-vitality numbers are low because the park exists outside the everyday city — that's the point of it.

Tradeoffs

  • Natural comfort (84) significantly outpaces connectivity (22) — restorative but hard to reach for daily use.

Performance in context

  • Reads as a modest underperformer relative to comparable parks (gap -6; cohort: medium Ravine / Naturalized Park ravine).

Typology classification

confidence 75%
Ravine / Naturalized Parkalso reads as Waterfront Park

Classified as Ravine / Naturalized Park: 95% ravine overlap, 92% canopy. Secondary read: Waterfront Park (name suggests waterfront and nearest waterbody is ~0 m away).

Edge Activation

25% weightinferred 10%
0.0 / 100

Within 100 m of the park edge: 0 active uses (none) and 0 dead/hostile uses (none). Active edges keep "eyes on the park" through the day; parking lots, blank institutional walls, rail and highway frontages drain street life.

Source: OSM POIs (amenity/shop) + Toronto Building Footprints + land use

Connectivity

20% weightpartial 65%
22.3 / 100

Connectivity blends paths, intersections, transit, entrances, and edge density. This park has 11 mapped paths/walkways and 10 sidewalk segments within 50 m; 0 street intersections within 100 m; 0 transit stops within a 400 m walk; 0 estimated access points across ~809 m of perimeter. low edge density — significant superblock penalty applied. Source coverage: centreline, pedestrian_network.

Streets within 25 m0
Intersections within 100 m0
Paths/walkways (50 m)11
Sidewalk segments (50 m)10
Transit stops (400 m)0
Estimated entrances0
Edge connections / 100 m perimeter0.00
Park perimeter809 m

Source: Toronto Centreline V2 + Pedestrian Network + OSM transit stops

Amenity Diversity

20% weightinferred 10%
0.0 / 100

No amenities recorded — score is 0 until inventory is loaded.

Source: Toronto Parks & Recreation Facilities + OSM amenity tags

Natural Comfort

15% weightmeasured 75%
83.7 / 100

Natural-comfort components for this park: 92.4% estimated tree canopy; 94.9% inside the ravine system; 2.5% water surface. Reading: ravine-cooled. Source coverage: treed_area, ravine, waterbodies. Impervious surface is approximated (Toronto's authoritative layer ships only as a raster GeoTIFF).

Canopy coverage92.4%
Canopy area1.61 ha
Inside ravine system94.9%
Water surface inside park2.5%
Nearest water (if outside park)0 m (inside)
Estimated green97.5%
City-mapped trees inside polygon0
Tree density0.0 / ha
Cover diversity (Shannon, 0–100)68.7
Sample points used118

Source: Toronto Treed Area + Ravine + Waterbodies + Street Tree Inventory

Enclosure / Eyes on Park

10% weightpartial 60%
23.3 / 100

1 buildings within 25 m of the park edge (0 mid-rise, 1 low-rise, 0 tower); avg edge height 5.4 m (~2 floors); 0.1 buildings per 100 m of 809 m perimeter — thin frontage — significant blank-edge share; edges are barely there or single-storey; no towers immediately adjacent. "Eyes on the park" come strongest from the 0 mid-rise edge buildings.

Buildings within 25 m1
Buildings within 50 m1
Avg edge height5.4 m (~2 floors)
Tallest edge building5.4 m
Mid-rise (3–7 floors)0
Low-rise (< 3 floors)1
Towers (≥ 13 floors)0
Frontage density0.12 per 100 m perimeter
Mid-rise share of edge0%
Tower share of edge0%
Blank-edge share (proxy)96%
Park perimeter809 m

Source: Toronto 3D Massing (building footprints + heights)

Border Vacuum Risk

10% weightinferred 10%
0.0 risk

Park edges face the city — no significant border vacuum detected.

Source: Toronto Street Centreline (highways) + rail layer + OSM landuse + building footprints

Equity Context

contextinferred 15%
50.0 / 100

Equity Context requires inputs not yet loaded for this park (Toronto Neighbourhood Profiles). Score is held at a neutral 50 with low confidence — read with caution.

Source: Toronto Neighbourhood Profiles

Amenities (0)

No amenities recorded for this park.

Nearby active-edge features (0)

No nearby features within 200 m of this park edge.

Park profile

Five-axis radar across the structural dimensions.

Edge ActivationConnectivityAmenity DiversityNatural ComfortEnclosureToronto Islands - South Island Park

Citywide percentile ranks

Across all Toronto parks in the dataset.

  • Overall vitality
    27th
  • Edge activation
    12th
  • Connectivity
    10th
  • Amenity diversity
    17th
  • Natural comfort
    94th
  • Enclosure
    1th

Most similar parks

Closest in metric space across the five structural dimensions.

Most opposite parks

Furthest in metric space — useful for recognising what kind of park this isn’t.

Human activity signals — not available

No activity signals have landed for this park yet. The model has scored its physical form but it can’t yet say how often it’s programmed, photographed, or walked through. See /data-ethics for what we will and will not collect.

Does this score feel accurate?

Your read of Toronto Islands - South Island Parkmatters. We’re testing whether the model lines up with how people actually use the park. Submissions are stored locally; no account needed.

Tell us how this park feels

We measure structure (canopy, edges, connectivity). You measure feeling. Both matter — and disagreement is itself useful civic data.

Rate this park on as many dimensions as you have an opinion about. 1 = not at all · 5 = strongly. Skip the ones you don't feel sure about. Aggregated only — no comments stored at the row level.

feels socially active
feels comfortable
feels safe
feels connected
feels welcoming
feels ecological / natural
feels good for lingering
feels family-friendly
feels culturally important

What would improve this park?

Generated from the weakest measured dimensions — a starting point, not a prescription.

  • Activate the edges: encourage cafés, retail or community uses on the streets that face the park; replace blank or parking-lot edges where possible.
  • Add or open more entrances and improve sidewalk continuity around the park. More permeability means more spontaneous use.
  • Diversify what people can do in the park — playground, washroom, water, shade, performance, sport, garden — even small additions raise this score.
  • Encourage mid-rise, windowed frontages around the park so residents have direct sightlines onto it.

Data sources

  • City of Toronto Open Data — Parks (Green Space)
    Polygon boundaries, official names, types.
  • Parks & Recreation Facilities
    Inventory of in-park amenities (washrooms, fields, rinks…).
  • Toronto Pedestrian Network
    Sidewalk segments around and through parks; estimated park entrances.
  • Toronto Centreline V2
    Street segments + intersection nodes near park edges; trails and walkways.
  • Toronto 3D Massing
    Building footprints + heights for edge-building counts, frontage density, and tower-in-the-park risk.
  • Toronto Treed Area
    Tree canopy share inside park polygons via stratified-grid sampling.
  • Toronto Waterbodies & Rivers
    Water surface inside parks + nearest-water distance for cooling.
  • Ravine & Natural Feature Protection
    Ravine overlap as a cooling / natural-comfort signal.
  • Toronto Street Tree Inventory
    Tree count + density inside park polygons.
  • Neighbourhood Profiles
    (Pending) Equity context proxy.
  • OpenStreetMap (Overpass API)
    Cafés, restaurants, retail, transit stops, parking, highways, rail.