Major city · United States
Triangle
Skip Triangle as a destination: it's a roadside stop on I-95 with a few chain hotels and fast food. Use it only as a sleep base for Marine Corps Base Quantico or Prince William Forest Park.
Triangle is an unincorporated community of about 5,500 in Prince William County, Virginia, squeezed between Dumfries and the Quantico Marine Corps Base. There are no notable sights, no walkable centre and no reason to visit except to sleep cheaply while visiting the base, the National Museum of the Marine Corps or Prince William Forest Park. Most travellers pass through on I-95 without stopping.
More
More ways in
Local time, weather, currency, airports
- Weather
- see forecast
- Currency
- USD
- Best months
- Apr–May, Sep–Oct
- avoid Jul–Aug (hot and humid)
- Airports
- DCA · IAD
- Nights
- 1
Not a trip line yet
Rules in force · 7Crossing between the US, Canada and Mexico by land needs …Cannabis is legal in Canada and in many US states, but ta…
- North America ↗Crossing between the US, Canada and Mexico by land needs your passport even on a day trip; rental cars need the company's written permission to cross, and most US and Canadian rental insurance stops at the Mexican border.
- North America ↗Cannabis is legal in Canada and in many US states, but taking any amount across the US, Canadian or Mexican border is a federal crime — including edibles and vapes.
- North America ↗The busiest US and Canadian national parks need timed-entry, campsite or lodge reservations in summer; release dates are months ahead.
- United States ↗Check whether you need an ESTA (Visa Waiver Program) or a visa on the official CBP and State Department sites; apply only through esta.cbp.dhs.gov, not third-party sites, and allow time before you book.
- United States ↗Several popular national parks use timed-entry or vehicle reservations in peak season; check each park's page on nps.gov and book on recreation.gov before fixing your dates.
- United States ↗Medical care is very expensive for visitors; buy travel insurance with high medical cover before you fly.
- United States ↗Tipping is expected: about 15–20% at sit-down restaurants and bars, and a tip for taxis, hotel staff and guides.
Entry rules depend on your passport. Full visa guide
What is in this basic guide9 covered · 4 not yet ▾
In this guide
Not in this guide yet
- Walking areas with bag rules
- Day plans checked against opening hours
- Airport-to-bed timings and the last safe connection
- Field-checked times and prices
Emergency numbers for Triangle911 ▾
- Police, fire, ambulance911
Tap a number to call from your phone. These are the numbers listed in this guide; a row marked check has not been verified.
EssentialsQuick answers and what things cost
Essentials
Quick answers and what things cost
Quick answers
The questions people ask first about Triangle, one line each. Tap a card for the full answer.
- Cash or card?Currency is the US dollar (USD, $).United States-wide
- SIM or eSIMAT&T, Verizon and T-Mobile cover the country; prepaid SIMs at their stores and Walmart/Target (passport required), or an eSIM before you fly.United States-wide
- Tap waterTap water is drinkable nearly everywhere; boil or treat water from streams in parks.United States-wide
- TippingSit-down restaurant: 18–22% of the pre-tax bill.United States-wide
- Plugs & powerSockets A/B. US/Canada (A/B): fits · UK/Ireland (G): adapter · Australia/NZ (I): adapter. 120 V: UK and AU 230 V-only devices need a converter; most chargers are dual-voltage.United States-wide
- SafetyTriangle is a low-crime area.
Show all 12 answers
- RestroomsFree public toilets are scarce in big cities; use cafés, department stores, libraries, stations.United States-wide
- Emergency numbers911 police, fire, ambulance
- Sundays & holidaysFederal holidays close offices, banks and post offices; national parks stay open.United States-wide
- Your embassyFind your embassy's 24-hour line before you fly.
- AirportcheckDCA Ronald Reagan Washington National Airport (About 40 min north via I-95; check traffic).
- Getting aroundYou need a car.
Cost cheat-sheet
Typical prices for the everyday things, as ranges. Your currency is shown next to the local price.
- CoffeeCoffee (fast food)$2–3
- Sit-down mealSit-down dinner (chain restaurant)$15–25
- Budget bedChain motel double room, a night, per roomUS$80
- Mid-range bedChain motel double room, a night, per roomUS$110
- High-end bedChain motel double room, a night, per roomUS$150
A day, not counting the bed: Budget US$70 · Mid US$120 · High US$200
Prices in local money; change the currency in the header to see yours next to them. Every price and the budget calculator →
DecideWhat it is known for, and when the weather works
Decide
What it is known for, and when the weather works
At a glance
What the city is known for, how you fly in, and where to find the phrases.
- Airports
- DCA Ronald Reagan Washington National Airport (About 40 min north via I-95; check traffic) · IAD Washington Dulles International Airport (About 1 h via I-95 and I-495)
Best months at a glance
From the guide's best and avoid lists
Jan
not flagged
7°C (45°F)45°F (7°C)
Feb
not flagged
9°C (48°F)48°F (9°C)
Mar
not flagged
14°C (57°F)57°F (14°C)
Apr
Best
20°C (68°F)68°F (20°C)
May
Best
25°C (77°F)77°F (25°C)
Jun
not flagged
30°C (86°F)86°F (30°C)
Jul
Avoid
32°C (90°F)90°F (32°C)
Aug
Avoid
31°C (88°F)88°F (31°C)
Sep
Best
27°C (81°F)81°F (27°C)
Oct
Best
21°C (70°F)70°F (21°C)
Nov
not flagged
15°C (59°F)59°F (15°C)
Dec
not flagged
9°C (48°F)48°F (9°C)
Best: Apr–May, Sep–Oct. Avoid: Jul–Aug. Month by month →
Warmest Jul (32°C (90°F)90°F (32°C)), coolest Jan (−3°C (27°F)27°F (−3°C) low), wettest May (12 rain days), driest Oct (8). Averages, not a forecast.
Weather and climate
Triangle: next 7 days
Loading forecast…
Forecast: Open-Meteo (CC BY 4.0), model data for this point.
Air quality
Loading…
Model estimate (CAMS via Open-Meteo), not a street-level station; readings near busy roads run higher.
Jan
7°C (45°F)45°F (7°C)
−3°C (27°F)27°F (−3°C)
10 rd
Feb
9°C (48°F)48°F (9°C)
−2°C (28°F)28°F (−2°C)
9 rd
Mar
14°C (57°F)57°F (14°C)
2°C (36°F)36°F (2°C)
11 rd
Apr
20°C (68°F)68°F (20°C)
7°C (45°F)45°F (7°C)
11 rd
May
25°C (77°F)77°F (25°C)
12°C (54°F)54°F (12°C)
12 rd
Jun
30°C (86°F)86°F (30°C)
18°C (64°F)64°F (18°C)
11 rd
Jul
32°C (90°F)90°F (32°C)
21°C (70°F)70°F (21°C)
11 rd
Aug
31°C (88°F)88°F (31°C)
20°C (68°F)68°F (20°C)
9 rd
Sep
27°C (81°F)81°F (27°C)
16°C (61°F)61°F (16°C)
9 rd
Oct
21°C (70°F)70°F (21°C)
9°C (48°F)48°F (9°C)
8 rd
Nov
15°C (59°F)59°F (15°C)
3°C (37°F)37°F (3°C)
9 rd
Dec
9°C (48°F)48°F (9°C)
−1°C (30°F)30°F (−1°C)
10 rd
High / low, both scales · rd = rain days
Arrive & moveAirports are listed under At a glance; this is how to move once you are in
Arrive & move
Airports are listed under At a glance; this is how to move once you are in
Getting around
You need a car. I-95 and US-1 run north–south. No public transit within Triangle; OmniRide buses connect to Dumfries and Woodbridge (check schedules).
Nearest full guides
Straight-line distance, not travel time
See & doDay-trips, door to door
See & do
Day-trips, door to door
Day-trips
National Museum of the Marine Corps
goDoor to door: 10 min
5 min drive south on I-95 / US-1
Free admission; allow 2–3 hours.
Prince William Forest Park
goDoor to door: 10 min
5 min drive west on VA-619
Hiking, picnic; entrance fee per vehicle (check).
Quantico Marine Corps Base
cautionDoor to door: 10 min
5 min drive south on US-1
Access restricted to military, DOD civilians and pre-cleared visitors.
Eat & sleepWhich area to sleep in
Eat & sleep
Which area to sleep in
Where to sleep
Areas, not hotels: pick the one that fits your arrival time and plans.
I-95 corridor
Chain motels (Comfort Inn, Ramada) along US-1 and near the interstate; no walkable neighbourhood.
PracticalWhat a day costs, what to watch out for, and the pocket card
Practical
What a day costs, what to watch out for, and the pocket card
Cost per day
- Budget
- $70–100 excl. bed
- Mid
- $100–150 excl. bed
- High
- $150+ excl. bed
Trip budget
| Chain motel double room1 × 1 night × US$110 | US$110 |
| Food, local transport, entries2 × 1 day × US$120 | US$240 |
| Car rental per day (economy)2 × US$45 | US$90 |
| Buffer 10%Price creep, a taxi you did not plan, one splurge | US$44 |
| Trip total≈ US$242 per person per day, bed included | US$484 |
2026 estimate in USD; flights excluded.
Prices of common things
| Coffee (fast food) | $2–3 |
| Fast-food meal | $8–12 |
| Sit-down dinner (chain restaurant) | $15–25 |
| Gasoline (per gallon) | $3.50–4.50 (check) |
| Motel room (one night) | $80–150 |
2026 estimate; check locally.
Watch out
Safety
- I-95 traffic can add 30–60 min to any trip, especially northbound toward DC on weekday afternoons.
- No Uber or Lyft may be immediately available late at night.
- The National Museum of the Marine Corps is in Triangle but on base; check visitor access rules.
Emergency numbers
- Police, fire, ambulance
- 911
Pocket card
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Stays in this browser only; nothing is sent anywhere.
TriangleTriangle
Pocket card · Voykit
My bed tonight
—
—
—
Emergency
- Police, fire, ambulance911
Embassy
My embassy: —
Fare anchors (2026 estimate)
- DCA → Triangle by car: about 40 min, $5–10 toll (check)
- Taxi from Triangle to Woodbridge: $20–30 (check)
No public transport within Triangle; a car is essential.
Deep diveWhat this guide covers so far, and its sources
Deep dive
What this guide covers so far, and its sources
Not a trip line yet
This is a basic guide: no airport-to-bed contract, walking clusters or day plans are published for Triangle. Airport, fare and schedule details are unverified; check the operators before you fly.
What we know, and what is coming
On this page
- Best months: Apr–May, Sep–Oct · avoid Jul–Aug (hot and humid) · month by month →
- 2 airports and 1 area to sleep in
- Weather: a 7-day forecast and monthly averages
- Cost per day in 3 bands
- 3 day-trips, door to door
- 3 things to watch out for, with emergency numbers
Coming as the guide grows
- An airport-to-bed path that says whether a late landing still works
- Walking clusters with bag rules
- Day plans checked against opening hours
- Field-verified times and fares
Sources
Ask about Triangle
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