Fulmer Falls
About
Fulmer Falls is a waterfall in Delaware Water Gap National Recreation Area in Pennsylvania, about a mile from the community of Birchwood Lakes. It sits at roughly 818 feet of elevation. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station show May highs around 71°F and September highs around 74°F, while July peaks near 83°F and January highs sit around 35°F. Childs Park Trails starts just 0.2 miles away, and Adams Creek Trail and Hornbecks Creek Trail are both within about 3 miles. Climbers can head to the Delaware Water Gap (PA) climbing area, about 8 miles off.
Waterfall Facts
Elevation
818 ft
Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).
Location
Fulmer Falls
Pennsylvania
Name and location: U.S. Geological Survey, Geographic Names Information System (GNIS). Elevation: USGS 3D Elevation Program. View the GNIS record.
Facts about this place
When to go
Best time to go: Apr–Oct. The mildest months here, with typical highs of 60–83°F and lows of 36–60°F.
Typical monthly averages (not a forecast) from the Sussex 3 Wnw, NJ weather station, 13 mi away. High / low in °F, and days with snow.
- Jan35° high17° low5 days with snow
- Feb38° high18° low5 days with snow
- Mar47° high25° low3 days with snow
- Apr60° high36° low
- May71° high46° low
- Jun78° high55° low
- Jul83° high60° low
- Aug81° high59° low
- Sep74° high51° low
- Oct63° high40° low
- Nov51° high31° low1 days with snow
- Dec40° high23° low3 days with snow
Where it is
- Delaware Water Gap National Recreation Area · National Park Service
- Nearest town
- Birchwood Lakes, Pennsylvania · 1 mi
Source: NPS Land Resources boundaries; USGS GNIS populated places
Conditions
Active alerts for Delaware Water Gap National Recreation Area as of Oct 9, 2026:
Main Street Walpack Bridge Closed Until Further Notice
Information · posted Aug 24, 2026
Old Mine Road North Construction Closure Begins April 6, 2026
Park Closure · posted Aug 24, 2026
Dingmans Falls Trail, Road, and Access Closed for Bridge Replacement
Park Closure · posted Aug 24, 2026
Source: NPS Alerts API
Nearby
- Childs Park TrailsHiking0.2 mi
- Adams Creek TrailHiking2.6 mi
Hornbecks Creek TrailHikingPhoto: John Delacy, CC BY 3.0 (via Wikimedia Commons)3.1 mi- Conashaugh View TrailHiking3.2 mi
- Lower Hornbecks TrailHiking3.7 mi
- Scenic Gorge TrailHiking3.9 mi
- Delaware Water Gap (PA)Rock climbing8.2 mi
- Flat BrookRiver fishing9.7 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Is Fulmer Falls open right now?
Closure in the area
There's a closure order in Delaware Water Gap National Recreation Area. It doesn't name Fulmer Falls, so check the source for the area it covers (2 listed).
Old Mine Road North Construction Closure Begins April 6, 2026
Park closure covering Delaware Water Gap National Recreation Area · NPS · Delaware Water Gap National Recreation Area
Dingmans Falls Trail, Road, and Access Closed for Bridge Replacement
Park closure covering Delaware Water Gap National Recreation Area · NPS · Delaware Water Gap National Recreation Area
As of · Source: NPS · Delaware Water Gap National Recreation Area. Agencies don't list every closure — check before you go.
Best time to visit Fulmer Falls
Best months: April and June–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
35° / 17°
11 wet · 5 snow
Feb
38° / 18°
9 wet · 5 snow
Mar
47° / 25°
11 wet · 3 snow
Apr
60° / 36°
12 wet
May
71° / 46°
13 wet
Jun
78° / 55°
11 wet
Jul
83° / 60°
11 wet
Aug
81° / 59°
11 wet
Sep
74° / 51°
10 wet
Oct
63° / 40°
11 wet
Nov
51° / 31°
10 wet · 1 snow
Dec
40° / 23°
11 wet · 3 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Sussex 3 Wnw, NJ, 13.2 mi away at 667 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
