New Hampshire · Bouldering · Exeter · Near Newburyport

The Impossible Problem

This is the hardest route catalogued at Impossible Boulder, standing at the top of an eight-climb V-grade span that extends from V0 to V10.

Around this trail

Add any of these when you start a trip

Sleep close
Winding Rivers Campground
Campground
Campground · 2.9 mi from the trail
Eat after
Power Play Cafe
Fast food
On your way back · 1 mi
If it rainsDebraHardy, CC BY-SA 3.0 · Wikimedia Commons
Folsom Tavern
Museum
On your way back · 1 mi

Also worth it near here
- Tunnel Down From YellowMountain biking · Next door
- Stratham Town LandingBoat launch · ~2 min drive
- Squamscott RiverCanoeing · ~3 min drivePhoto: Unknown author, Public domain (via Wikimedia Commons)
- Spring TrailHiking · ~5 min drivePhoto: jwalsh, CC BY 2.0 (via Flickr)
Best time to visit The Impossible Problem
Best months: April–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.
1. Jan
  33° / 14°
  10 wet
2. Feb
  35° / 16°
  8 wet
3. Mar
  44° / 24°
  10 wet
4. Apr
  57° / 34°
  11 wet
5. May
  68° / 44°
  11 wet
6. Jun
  76° / 54°
  11 wet
7. Jul
  82° / 59°
  11 wet
8. Aug
  81° / 57°
  9 wet
9. Sep
  73° / 50°
  9 wet
10. Oct
  61° / 38°
  10 wet
11. Nov
  49° / 30°
  10 wet
12. Dec
  38° / 21°
  11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Epping, NH, 6.6 mi away at 160 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.