Being part of North Cascades National Park helps. Trails to Green Lake Falls are generally maintained and signed, and the park is the first place to check for closures before you go.
Part of the appeal of Green Lake Falls is that it rewards a little effort: the closer you get, the cooler the air and the louder the water, and the photos rarely do it justice.
Geology and background
What makes Green Lake Falls special
Green Lake Falls is a large waterfall a short distance below the outlet of remote Green Lake in North Cascades National Park, Whatcom County, Washington, and it is not an easy fall to reach. The description calls it very difficult to access, and that is part of the character: this is a backcountry fall in one of the least-visited corners of the park, below a lake most people never see.
The numbers are big. The description puts the fall at 979 feet high and averages 150 feet wide, and it flows year-round. It has several tiers, including a 300-foot slide and a 500-foot plunge, so the water comes down in long stages rather than in a single drop.
Its nearest neighbours are close. Upper Green Lake Falls is 0.2 miles away, Bacon Lake Falls 0.9 miles away and Berdeen Falls 1.0 miles away, so the Green Lake and Bacon Creek country holds several large falls within a short distance of each other.
Green Lake Falls is a tiered fall: the water leaves remote Green Lake and drops in several stages, including a 300-foot slide and a 500-foot plunge. The tiered form is what makes the total height so large while no single drop tells the whole story. The fall averages 150 feet wide, so the water spreads across the rock as it comes down.
Navigate by coordinates rather than by name. Map apps often send waterfall searches to the wrong parking lot or the far side of the stream. Download an offline map before you lose signal: this is remote backcountry, and signal is not guaranteed. The fall is described as very difficult to access, so plan on a serious backcountry trip rather than a short walk.
Best time and crowds
This fall flows year-round, so the season matters less than the access. No stream gauge is linked to Green Lake Falls, so recent rain and the melt season are your best guide to flow. Expect the most water in spring and after heavy rain.
This is one of the most remote falls in the park, and you are unlikely to share it with anyone else. Even so, an early start is the best way to make the most of the daylight on a long backcountry day.
Safety
Stay on marked trails where they exist, and turn back if the route is unclear. Wet, mossy rock near the brink is the most common cause of serious injury. Never climb the cascade or stand at the top edge, even when the flow looks gentle. A tiered fall means the rock is wet for a long way down: keep your distance from the whole slope, not just the top. This is remote backcountry: tell someone your route and your expected return before you go.
What to bring
Shoes with real grip
A rain shell for the spray and the mountain weather
Water and food for a long backcountry day
An offline map or screenshot
A dry bag for your phone
A bag to pack out trash
Practical tips
Plan this as a serious backcountry trip: the fall is described as very difficult to access.
Look for the tiers: a 300-foot slide and a 500-foot plunge within the 979-foot total.
Screenshot the directions and these coordinates before you leave town: signal is thin out here.
Check the North Cascades National Park page on the day for backcountry conditions and closures.
A waterfall is a stream caught in the middle of reshaping its valley. The plunge pool at the base is scoured out by falling water and the stones it carries, and the lip retreats a little with every flood.
Water flow and seasons
No stream gauge is linked to Green Lake Falls yet, so recent rain is your best guide. The weather panel on this page adds up the last three days of rain at the fall.
Expect the most water in spring and after heavy rain. In a dry spell, especially late summer and early fall, the same fall can look half the size.
The trail and the viewpoint
We do not have a trail length for Green Lake Falls yet. Some falls are a few steps from a parking area, others take a real hike, so check the park or a trail app before you set out.
Swimming is not listed. Treat the plunge pool as off-limits unless signs say otherwise: the water at the base is colder and stronger than it looks.
Facilities and amenities
Facilities depend on North Cascades National Park: larger parks usually have a signed trailhead, restrooms and a parking area, while smaller reserves may have none of these.
Plan as if there is no drinking water and no phone signal at the falls themselves. Use the restroom and fill your bottles before you start walking.
Fees, permits, and opening hours
No entry fee is listed. Parks may still charge for parking or day use, and federal lands often accept an annual pass instead.
Most falls are reachable from dawn to dusk. Gates, seasonal road closures and timed-entry permits are the usual surprises, so check the managing agency on the day.
How to get to Green Lake Falls
Green Lake Falls is in North Cascades National Park, Washington. For the last stretch, navigate by coordinates (48.6927, -121.4928) rather than by name. Map apps often send waterfall searches to the wrong parking lot or the far side of the stream.
The final approach is usually the hardest part: narrow roads, small trailhead lots that fill early, and a walk that can be ten minutes or several hours. Download an offline map before you lose signal.
Our Washington waterfalls page maps every fall in the state, which helps when you are planning a route.
For the fullest flow, visit Green Lake Falls in spring or within a couple of days of heavy rain. For easier footing and warmer air, early summer is the compromise.
Light matters for photos: the base of a fall is often in shade by midday, and an overcast day evens out the bright water against dark rock.
Crowds and timing
Arrive early or late. The middle of a summer weekend is peak time almost everywhere, and small trailheads can be full by 10 a.m.
Holiday weekends and the first warm days of spring are the busiest of all. If the lot is full, do not park on the road shoulder: it is the most common reason for tickets and towing at trailheads.
How long to spend there
Without a listed trail length, plan for half a day: enough time to find the trailhead, walk in, spend an hour at the water and walk out without rushing.
If there are other falls nearby, they are often on the same road or trail system. Two or three in a day is very doable.
Where to stay near Green Lake Falls
We do not recommend specific places to stay. The links below search for hotels and campgrounds around Green Lake Falls on Google Maps, so you can compare drive times from the trailhead.
Stay on marked trails and behind railings. Wet, mossy rock near the brink is the most common cause of serious injury.
Never climb the cascade or stand at the top edge, even when the flow looks gentle.
Plunge pools hide cold water, strong currents and submerged logs. Only swim where it is allowed.
In canyons, rain upstream can raise the water in minutes. Leave if the water turns muddy or starts to rise.
Leave no trace: pack out trash, stay off fragile moss and plants, and keep drones grounded where they are banned.
What to bring
Shoes with real grip
A rain shell for the spray
Water and a snack
An offline map or screenshot
A dry bag for your phone
Cash for parking
A bag to pack out trash
Practical visitor tips
Screenshot the directions and these coordinates before you leave town.
Wear shoes you do not mind getting wet: spray reaches further than you expect.
Keep your phone in a zip bag near the base.
Pack out everything, including food scraps.
Tell someone where you are going if the trail is long or remote.
Frequently asked questions
Where is Green Lake Falls, Washington located?
Green Lake Falls is in North Cascades National Park, Washington. Its GPS coordinates are 48.6927, -121.4928.
What kind of waterfall is Green Lake Falls, Washington?
Its form (plunge, cascade, horsetail and so on) is not listed yet.
How tall is Green Lake Falls?
Its height has not passed a source check yet, so we do not show a number or include it in tallest lists.
How much does it cost, and when is it open?
No fee is listed, though parking or day-use fees may apply. Most falls are open dawn to dusk; check the managing agency for seasonal closures.
Is Green Lake Falls good for families?
It depends on the trail, which we have not confirmed. Check the length and terrain first, and keep children well back from wet rock and the edge.
How do I know if it is flowing?
No gauge is linked, so use the last three days of rain in the weather panel: more rain usually means more water.
The bottom line
Green Lake Falls is worth a detour, especially after rain. Go early, check recent rain, wear grippy shoes, and give yourself time to sit and listen once you get there.
Waterfalls nearby
One fall rarely fills a day. These are within about 40 miles.
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