Signal Mountain Lake Launch
About
Signal Mountain Lake Launch is a boat launch in Grand Teton National Park in Wyoming, managed by the National Park Service. The nearest town is Kelly, about 15 miles away. Summer is the most comfortable time to visit. Typical averages from a nearby weather station show July highs around 77°F with lows near 42°F, and August is nearly the same. Winters are severe, with January highs in the mid-20s and frequent snow days. The Signal Mountain Launch hike starts just 0.1 mile from the launch, and the Signal Mountain Trail is about 0.6 mile away. The Chapel of the Sacred Heart is 0.8 mile off. For an overnight stay, Toppings Spread 2a is about 6 miles away.
Launch Details
Managed by
National Park Service
Facts about this place
When to go
Best time to go: Jun–Sep. The mildest months here, with typical highs of 66–77°F and lows of 34–42°F.
Typical monthly averages (not a forecast) from the Moran 5wnw, WY weather station, 1.9 mi away. High / low in °F, and days with snow.
- Jan24° high1° low14 days with snow
- Feb30° high4° low11 days with snow
- Mar39° high12° low9 days with snow
- Apr46° high21° low6 days with snow
- May56° high31° low2 days with snow
- Jun67° high37° low
- Jul77° high42° low
- Aug76° high40° low
- Sep66° high34° low
- Oct51° high25° low3 days with snow
- Nov35° high14° low9 days with snow
- Dec24° high4° low14 days with snow
Where it is
- Grand Teton National Park · National Park Service
- Nearest town
- Kelly, Wyoming · 15 mi
Source: NPS Land Resources boundaries; USGS GNIS populated places
Conditions
Active alerts for Grand Teton National Park as of Oct 9, 2026:
Construction in the South End of the Park
Caution · posted Sep 30, 2026
Construction on HWY 26/89/191
Caution · posted Sep 30, 2026
Death Canyon Trailhead Construction Closure
Park Closure · posted Aug 24, 2026
Source: NPS Alerts API
Nearby
- Signal Mountain LaunchHiking0.1 mi
- Signal Mountain TrailHiking0.6 mi
- Chapel of the Sacred HeartHiking0.8 mi
- Toppings Spread 2aCamping6 mi
- Toppings Spread 9Camping6 mi
- Red Cross RockRock climbing7.7 mi
- Cutfinger RockRock climbing7.7 mi
- Pilgrim CreekCanoeing7.7 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)