Parks Manager

National parks near Portlock, Hawaii

Portlock sits inside the Honolulu area and reaches the same parks. See national parks near Honolulu for the full write-up.

Haleakalā National Park is the closest national park to Portlock, Hawaii — 106 mi (171 km) in a straight line, which works out to roughly 2 hr 58 min behind the wheel.

Haleakalā makes a full day trip — leave early. Hawaiʻi Volcanoes is better with a night booked nearby.

Nothing near Portlock gates the entrance itself, but 5 of the parks in range put a road, hike, or backcountry trip behind a permit or timed ticket.

Portlock has a population of about 1,726.

National parks near Portlock

Parks ranked by distance from Portlock
ParkStraight-line distanceEstimated driveRealistic trip
Haleakalā National Park106 mi (171 km)2 hr 58 minDoable as a day trip
Hawaiʻi Volcanoes National Park208 mi (335 km)5 hr 23 minBest as a weekend
Redwood National Park2400 mi (3862 km)57 hr 15 minWorth a longer road trip
Pinnacles National Park2429 mi (3909 km)57 hr 56 minWorth a longer road trip
Channel Islands National Park2486 mi (4001 km)59 hr 17 minWorth a longer road trip
Lassen Volcanic National Park2498 mi (4021 km)59 hr 35 minWorth a longer road trip
Crater Lake National Park2536 mi (4081 km)60 hr 28 minWorth a longer road trip
Yosemite National Park2540 mi (4088 km)60 hr 34 minWorth a longer road trip
Gwaii Haanas National Park2563 mi (4125 km)61 hr 7 minWorth a longer road trip
Sequoia National Park2567 mi (4131 km)61 hr 12 minWorth a longer road trip

What to book before you leave Portlock

Reservations needed at parks near Portlock
ParkWhat needs bookingCoversHow
HaleakalāSummit Sunrise ReservationsOne road or areaTimed reservation
Hawaiʻi VolcanoesHawaii Volcanoes National Park Backcountry PermitsOne hike or backcountry tripPermit or lottery
Lassen VolcanicLassen Volcanic National Park Wilderness PermitsOne hike or backcountry tripPermit or lottery
YosemiteHalf Dome PermitsOne hike or backcountry tripPermit or lottery
SequoiaSequoia and Kings Canyon National Parks Wilderness PermitsOne hike or backcountry tripPermit or lottery

Camping near Portlock

Within reach of Portlock, 50 campgrounds across 7 parks appear on Recreation.gov: 16 at Yosemite, 14 at Lassen Volcanic, 7 at Channel Islands, and 7 at Sequoia, plus 3 more parks with fewer sites.

Recreation.gov releases most national park campsites six months before the arrival date, at 10:00 a.m. Eastern time. Windows are set per campground, so confirm yours on the Seasons and Fees tab on that campground page.

Once a date is gone, cancellations are the real supply, and they get taken within minutes of appearing.

When to make this trip

Haleakalā National Park is generally best December through April, the drier and less humid stretch, with May and November as the quieter shoulder either side.

June to November is the wet and hurricane season — heavy rain, high humidity, and occasional storm closures.

Heat and humidity are constant. Plan activity for early morning and carry more water than feels necessary.

Month-by-month detail for Haleakalā National Park

Seeing more than one

Several parks near Portlock are close enough to each other to combine on one trip, so the drive from home only has to happen once.

Distances between parks near Portlock
PairApartEstimated drive
Haleakalā → Hawaiʻi Volcanoes112 mi (180 km)3 hr 6 min
Pinnacles → Channel Islands197 mi (317 km)5 hr 7 min

Planning a trip from Portlock

Distances here are straight-line and the drive estimate adds a road factor on top, but mountain passes and seasonal closures can change it a lot — a route that looks like three hours in June can be shut entirely in February. Confirm road status with the park before you commit to a date.

Read the Haleakalā National Park guide

Other towns in Honolulu County

Common questions

What is the closest national park to Portlock?

Haleakalā National Park. It is about 106 mi (171 km) from Portlock, roughly 2 hr 58 min of driving.

Can I do a national park day trip from Portlock?

Yes — Haleakalā National Park is within about a three-hour drive.

How many national parks are near Portlock?

10 parks are within reach of Portlock, 1 of them close enough for a day trip.

Do you need a reservation for the national parks near Portlock?

None of them gate the entrance itself. 5 put a specific road, hike, or backcountry trip behind a permit or timed ticket — Summit Sunrise Reservations at Haleakalā, Hawaii Volcanoes National Park Backcountry Permits at Hawaiʻi Volcanoes, and Lassen Volcanic National Park Wilderness Permits. These requirements are usually seasonal, so check the date you plan to arrive.

Where can you camp near Portlock?

Recreation.gov lists 50 campgrounds at the national parks within reach of Portlock. They are spread across 7 of those parks.

When is the best time to visit the parks near Portlock?

For Haleakalā National Park, the closest one, generally December through April, the drier and less humid stretch. Either side of that, May and November stays quieter.