Road from Summit rd down to Three Island Lake is high risk, very rough and narrow road with no turn arounds, 4wd high clearance vehicle required. Not recommended for regular road vehicle use, more appropriate for ATV use. No trailers. Active logging road, CB radio recommended. Access is through the community of Parson, 68km north of Radium and 36km south of Golden
From HWY 95 in Parson, turn west onto Parson River Crossing Rd. Continue straight, onto Crestbrook Main FSR (Radio controlled road use RR-3). Continue on Crestbrook Main staying right at 14km shortout then stay right to continue on Spillimacheen North Fork FSR at 17km. Turn Left onto Summit rd at km marker 21 and continue for 6km, turn left off Summit rd . After 800m stay right and continue for another 1.6km to Three Island Lake.