Bus 33 in Ottawa links Portobello / Summer Sky and Blair C. The route is 21.2 km long with 45 stops, and the official schedule from OC Transpo puts the full trip at about 34 minutes. On a weekday it runs 37 trips in one direction, and 20 on a weekend day.

Route at a glance
| Mode | Bus |
|---|---|
| Route number | 33 |
| City | Ottawa |
| Transit authority | OC Transpo |
| Start → end | Portobello / Summer Sky → Blair C |
| End → start | Blair C → Portobello / Summer Sky |
| Route length | 21.2 km / 20.1 km in the opposite direction |
| Number of stops | 45 / 44 in the opposite direction |
| Travel time | about 34 minutes |
| Trips per day | 37 on weekdays, 20 on weekends one way |
| Frequency | peak 13–30 · midday 7–35 · weekend 30–60 |
| First / last trip from «Portobello / Summer Sky» | 05:13 / 23:15 |
| First / last trip from «Blair C» | 06:14 / 23:29 |
| Fare | — |
| Updated | August 23, 2026 |
Route of Bus 33
Outbound: Portobello / Summer Sky → Blair C
This direction has 45 stops and runs 21.2 km. The route passes Portobello / Summer Days, Portobello / Gardenway, Montcrest / Talcy, Charlemagne / Tenth Line. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Portobello / Summer Sky | 0.0 km | Terminus |
| 2 | Portobello / Summer Days | 0.3 km | |
| 3 | Portobello / Brian Coburn | 0.6 km | |
| 4 | Portobello / Martello | 0.8 km | |
| 5 | Portobello / Nantes | 1.2 km | |
| 6 | Portobello / Scala | 1.6 km | |
| 7 | Portobello / Charest | 1.8 km | |
| 8 | Portobello / Markwick | 2.0 km | |
| 9 | Portobello / Innes | 2.1 km | |
| 10 | Portobello / Nesting | 2.3 km | |
| 11 | Portobello / Gardenway | 2.6 km | |
| 12 | Portobello / Gardenway | 2.7 km | |
| 13 | Portobello / Ad. 1830 | 2.8 km | |
| 14 | Valin / Portobello | 3.2 km | |
| 15 | Varennes / Valin | 3.3 km | |
| 16 | Varennes / Rumford | 3.5 km | |
| 17 | Varennes / Como | 3.7 km | |
| 18 | Varennes / Tempo | 3.9 km | |
| 19 | Watters / Varennes | 4.2 km | |
| 20 | Montcrest / Watters | 4.4 km | |
| 21 | Montcrest / Cookshire | 4.6 km | |
| 22 | Montcrest / Talcy | 4.8 km | |
| 23 | Montcrest / Lalande | 5.0 km | |
| 24 | Princess Louise / Montcrest | 5.3 km | |
| 25 | Princess Louise / Cézanne | 5.6 km | |
| 26 | Princess Louise / Brookridge | 5.8 km | |
| 27 | Princess Louise / Brookridge | 6.0 km | |
| 28 | Princess Louise / Norview | 6.3 km | |
| 29 | Princess Louise / Norview | 6.5 km | |
| 30 | Princess Louise / Thurlow | 6.8 km | |
| 31 | Charlemagne / Princess Louise | 7.1 km | |
| 32 | Charlemagne / Tenth Line | 7.4 km | |
| 33 | Tompkins / Tenth Line | 7.6 km | |
| 34 | Tompkins / Preston | 7.8 km | |
| 35 | Tompkins / Caravel | 8.1 km | |
| 36 | Tompkins / Bourcier | 8.4 km | |
| 37 | Chartrand / Duford | 8.8 km | |
| 38 | Chartrand / Duford | 9.2 km | |
| 39 | Place D’orléans / Centrum | 9.5 km | |
| 40 | Place D’orléans / Champlain | 10.0 km | |
| 41 | Place D’orléans E | 10.8 km | |
| 42 | Place D’orléans – Park & Ride F | 11.4 km | |
| 43 | Jeanne D’arc 2A | 14.0 km | |
| 44 | R.r. 174 / Montréal | 17.7 km | |
| 45 | Blair C | 21.2 km | Terminus |
Inbound: Blair C → Portobello / Summer Sky
This direction has 44 stops and runs 20.1 km. The route passes R.R.174 / Montréal, Tompkins / Prestone, Princess Louise / Farmbrook, Valin / Hennessy. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Blair D | 0.0 km | Terminus |
| 2 | R.R.174 / Montréal | 3.8 km | |
| 3 | Jeanne D’arc 1B | 7.2 km | |
| 4 | Place D’orléans B | 9.7 km | |
| 5 | Place D’orléans / Centrum | 10.5 km | |
| 6 | Duford / Chartrand | 10.8 km | |
| 7 | Duford / Jamison | 11.1 km | |
| 8 | Duford / Charlebois | 11.2 km | |
| 9 | Duford / Chartrand | 11.4 km | |
| 10 | Tompkins / Bourcier | 11.8 km | |
| 11 | Tompkins / Mceachern | 12.1 km | |
| 12 | Tompkins / Prestone | 12.5 km | |
| 13 | Tompkins / Tenth Line | 12.7 km | |
| 14 | Charlemagne / Tenth Line | 12.9 km | |
| 15 | Charlemagne / Valade | 13.1 km | |
| 16 | Princess Louise / Delia | 13.3 km | |
| 17 | Princess Louise / York Mills | 13.6 km | |
| 18 | Princess Louise / Marjolaine | 13.8 km | |
| 19 | Princess Louise / Norview | 14.0 km | |
| 20 | Princess Louise / Falwyn | 14.2 km | |
| 21 | Princess Louise / Farmbrook | 14.5 km | |
| 22 | Princess Louise / Farmbrook | 14.8 km | |
| 23 | Montcrest / Adencliffe | 15.0 km | |
| 24 | Montcrest / Cheverny | 15.4 km | |
| 25 | Montcrest / Talcy | 15.5 km | |
| 26 | Montcrest / Cheverny | 15.7 km | |
| 27 | Montcrest / Watters | 15.9 km | |
| 28 | Watters / Varennes | 16.0 km | |
| 29 | Varennes / Sheenboro | 16.4 km | |
| 30 | Varennes / Como | 16.6 km | |
| 31 | Varennes / Trenholm | 16.8 km | |
| 32 | Valin / Hennessy | 16.9 km | |
| 33 | Valin / Portobello | 17.1 km | |
| 34 | Portobello / Ad. 1830 | 17.3 km | |
| 35 | Portobello / Gardenway | 17.6 km | |
| 36 | Portobello / Nesting | 17.7 km | |
| 37 | Portobello / Innes | 18.1 km | |
| 38 | Portobello / Charest | 18.3 km | |
| 39 | Portobello / Scala | 18.6 km | |
| 40 | Portobello / Aquaview | 18.9 km | |
| 41 | Portobello / Capreol | 19.3 km | |
| 42 | Portobello / Brian Coburn | 19.6 km | |
| 43 | Portobello / Stormwind | 19.8 km | |
| 44 | Portobello / Summer Sky | 20.1 km | Terminus |
Schedule and frequency
According to the official schedule from OC Transpo, the route runs 37 trips in one direction on a weekday, and 20 on a weekend day.
| Direction | Weekdays | Weekends and holidays |
|---|---|---|
| From «Portobello / Summer Sky» | 05:13 — 23:15 | 07:35 — 22:05 |
| From «Blair C» | 06:14 — 23:29 | 08:05 — 21:35 |
Frequency calculated from the departure table: in the morning peak buses run every 13–30 minutes, most often every 30; midday every 7–35 minutes; in the afternoon peak every 30; on weekends every 30–60 minutes.
Frequently asked questions
When do the first and last trips run?
From Portobello / Summer Sky the first is at 05:13 and the last at 23:15. From Blair C they are 06:14 and 23:29.
How long does the trip from Portobello / Summer Sky to Blair C take?
About 34 minutes end to end — the median of full trips in the official schedule.
How many stops does the route have?
45 outbound and 44 inbound according to the official GTFS feed. The two lists do not match exactly.
Does bus 33 run on weekends?
Yes. On weekends and holidays there are 20 trips in one direction, running from Portobello / Summer Sky between 07:35 and 22:05.
Every route number with its termini, operating hours and travel time is collected in the Ottawa buses overview.
Data current as of August 23, 2026. Schedule and termini — OC Transpo. Fares — OC Transpo. Stop list, schedule and route geometry come from the official GTFS feed (OC Transpo, version S1000512-S1000514).