Major city · United States
Monte Rio
Spend a half‑day (4–6 h) in Monte Rio for the July boat parade or a quick round of golf; stay overnight in nearby Guerneville.
Monte Rio is a tiny riverside community in Sonoma County, best explored in a few hours. Its main draws are the Fourth of July boat parade, the historic Rio Theater, and the nearby Northwood Golf Club. With limited lodging, most visitors base themselves in Guerneville (5 min drive) and return for a day visit.
More
More ways in
Local time, weather, currency, airports
- Weather
- see forecast
- Currency
- USD
- Best months
- Jun–Aug (boat parade in July, warm weather)
- avoid Dec–Feb (cold, limited activities)
- Airport
- SFO
- 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 Monte Rio911 ▾
- 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 Monte Rio, 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
- SafetyMonte Rio is low‑risk; main concerns are seasonal river flooding and occasional fire‑season smoke.
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.
- AirportSFO San Francisco International Airport (About 1 h 15 min drive via CA‑116).
- Getting aroundcheckCar is primary; Sonoma County Transit route 28 runs between Guerneville and Occidental (check schedule).
Cost cheat-sheet
Typical prices for the everyday things, as ranges. Your currency is shown next to the local price.
- CoffeeCoffee at a café$3–5
- Street or quick mealLunch (sandwich or salad)$10–15
- BeerBeer at a bar$5–7
- Metro or bus rideSCT bus farecheck$6
- Budget bedBoutique inn (Guerneville), a night, per roomUS$130
- Mid-range bedBoutique inn (Guerneville), a night, per roomUS$180
- High-end bedBoutique inn (Guerneville), a night, per roomUS$250
A day, not counting the bed: Budget US$80 · Mid US$120 · High US$180
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
- SFO San Francisco International Airport (About 1 h 15 min drive via CA‑116)
Best months at a glance
From the guide's best and avoid lists
Jan
Avoid
13°C (55°F)55°F (13°C)
Feb
Avoid
14°C (57°F)57°F (14°C)
Mar
not flagged
16°C (61°F)61°F (16°C)
Apr
not flagged
18°C (64°F)64°F (18°C)
May
not flagged
21°C (70°F)70°F (21°C)
Jun
Best
24°C (75°F)75°F (24°C)
Jul
Best
27°C (81°F)81°F (27°C)
Aug
Best
27°C (81°F)81°F (27°C)
Sep
not flagged
25°C (77°F)77°F (25°C)
Oct
not flagged
21°C (70°F)70°F (21°C)
Nov
not flagged
16°C (61°F)61°F (16°C)
Dec
Avoid
13°C (55°F)55°F (13°C)
Best: Jun–Aug. Avoid: Dec–Feb. Month by month →
Warmest Jul (27°C (81°F)81°F (27°C)), coolest Jan (4°C (39°F)39°F (4°C) low), wettest Dec (12 rain days), driest Jun (5). Averages, not a forecast.
Weather and climate
Monte Rio: 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
13°C (55°F)55°F (13°C)
4°C (39°F)39°F (4°C)
10 rd
Feb
14°C (57°F)57°F (14°C)
5°C (41°F)41°F (5°C)
9 rd
Mar
16°C (61°F)61°F (16°C)
7°C (45°F)45°F (7°C)
8 rd
Apr
18°C (64°F)64°F (18°C)
9°C (48°F)48°F (9°C)
7 rd
May
21°C (70°F)70°F (21°C)
11°C (52°F)52°F (11°C)
6 rd
Jun
24°C (75°F)75°F (24°C)
13°C (55°F)55°F (13°C)
5 rd
Jul
27°C (81°F)81°F (27°C)
15°C (59°F)59°F (15°C)
5 rd
Aug
27°C (81°F)81°F (27°C)
15°C (59°F)59°F (15°C)
6 rd
Sep
25°C (77°F)77°F (25°C)
13°C (55°F)55°F (13°C)
7 rd
Oct
21°C (70°F)70°F (21°C)
10°C (50°F)50°F (10°C)
9 rd
Nov
16°C (61°F)61°F (16°C)
7°C (45°F)45°F (7°C)
11 rd
Dec
13°C (55°F)55°F (13°C)
5°C (41°F)41°F (5°C)
12 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
Car is primary; Sonoma County Transit route 28 runs between Guerneville and Occidental (check schedule). The town is flat and walkable.
See & doDay-trips, door to door
See & do
Day-trips, door to door
Day-trips
Guerneville
goDoor to door: 10 min total
Drive or SCT route 28, about 5 min east
Wine tasting rooms and riverfront cafés.
Jenner
goDoor to door: 20 min total
Drive west on CA‑116, about 15 km (9.3 mi)Drive west on CA‑116, about 9.3 mi (15 km)
Scenic coastal views at the Russian River mouth.
Petaluma
goDoor to door: 35 min total
Drive east on CA‑116 then north on US‑101, about 30 km (19 mi)Drive east on CA‑116 then north on US‑101, about 19 mi (30 km)
Historic downtown and train museum.
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.
Guerneville
Boutique inns and B&Bs 5 min drive north; best for one night.
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
- $70–90 excl. bed
- Mid
- $110–150 excl. bed
- High
- $180–250 excl. bed
Trip budget
| Boutique inn (Guerneville)1 × 1 night × US$180 | US$180 |
| Food, local transport, entries2 × 1 day × US$120 | US$240 |
| Northwood Golf 9‑hole round2 × US$17 · 2026 estimate; two loops cost $24. | US$34 |
| SCT route 28 round‑trip fare2 × US$6 · check | US$12 |
| Buffer 10%Price creep, a taxi you did not plan, one splurge | US$47 |
| Trip total≈ US$257 per person per day, bed included | US$513 |
Check availability; includes breakfast.
2026 estimate; flights excluded. Your choices stay in this browser.
Prices of common things
| Coffee at a café | $3–5 |
| Beer at a bar | $5–7 |
| Lunch (sandwich or salad) | $10–15 |
| Northwood Golf 9‑hole | $17 |
| SCT bus farecheck | $6 |
2026 estimate; check locally.
Watch out
Safety
- Bus service is infrequent; check the latest SCT schedule.
- Bohemian Grove is private – no public access.
- River can flood in heavy rain; the Rio Theater may close temporarily.
Emergency numbers
- Police / Fire / Ambulance
- 911
Pocket card
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Monte RioMonte Rio
Pocket card · Voykit
My bed tonight
—
—
—
A esta dirección, por favorTo this address, please
Emergency
- Police / Fire / Ambulance911
Embassy
US consulates are in San Francisco and Los Angeles; nearest for Monte Rio is San Francisco.
My embassy: —
Fare anchors (2026 estimate)
- SCT route 28 Guerneville ↔ Monte Rio: about $6 each way (check schedule)
- Northwood Golf 9‑hole: $17 per person
Say or show
- Disculpe — Excuse me / Sorry (dis‑koo‑lpe)
- Gracias — Thank you (gra‑see‑as)
- ¿Cuánto cuesta? — How much is it? (kwan‑toh kwehs‑ta)
- ¿Dónde está el baño? — Where is the bathroom? (don‑de es‑ta el ba‑nyo)
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 Monte Rio. 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: Jun–Aug (boat parade in July, warm weather) · avoid Dec–Feb (cold, limited activities) · month by month →
- 1 airport 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
- officialSonoma County Transit – Route 28 schedule
- officialNorthwood Golf Club
- officialRio Theater
- secondaryWikivoyage: Monte Rio, revision 5256969 (CC BY-SA 4.0)
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