Field trip: Conditioning Hiking Series
CHS 1 Hike - Rainbow & Island Lakes
Mason, Island, & Rainbow Lakes Via Ira Spring Trail. CHS hike led at a CHS 1 pace (1.5-2.0 mph)
- Sat, Jul 19, 2025
- Seattle Hiking Committee
- Day Hiking
- Adults
- Moderate/Strenuous
- Moderate
- Mileage: 11.0 mi
- Elevation Gain: 2,800 ft
- 8 (8 capacity)
- FULL (2 capacity)
- Cancellation & Refund Policy
Let's plan to be at the Ira Spring Trailhead at 7 a.m.
Coordinates: 47.42489920322732, -121.5831744119734
Google Map: https://maps.app.goo.gl/qcE41LBvJ9sTYiqY7
Hike description with our planned route can be found here: https://www.hikingproject.com/trail/7004829/mason-island-rainbow-lakes
Route/Place
Ira Spring & Putrid Pete's Peak Trails
-
Green Trails Snoqualmie Pass Gateway No. 207S
USGS Bandera
Green Trails Bandera No. 206 - See full route/place details.
Roster
Required Equipment
Required Equipment
Ten Essential Systems
- Navigation (map & compass)
- Sun protection (sunglasses & sunscreen)
- Insulation (extra clothing)
- Illumination (headlamp/flashlight)
- First-aid supplies
- Fire (waterproof matches/lighter/candle)
- Repair kit and tools
- Nutrition (extra food)
- Hydration (extra water)
- Emergency shelter (tent/plastic tube tent/garbage bag)
Trip Reports