Journal 2 August 1969 c. 12000' 25 mi. S. Uvaraya, Dets, Ancash, Peru. Did not land yet. Overcast evening; then clear & calm. 36° by 9 p.m. 3 August 1969. Partly overcast morning. Frost. 26°. minimum (1° up). My 15 snap traps, set in thick soft bunchgrass along a curule rock wall, held 2 Andean (boliviensis?), which M. doing great up. I hunted 3/4 hr., shot one Nathopocta. At sound of flushing & shot, 3 other four- paired up?! We departed about 10:30 drove 10.4 mi. to Cator, gassed up, & departed on road to Chira (78 km). Road gravelled rough. Barred slowly up through west brown rolling & step hills. Rock walls; sheep grazing. Cordillera Blanca peaks invisible to N. Eventually into a deep valley, near smell clear stream, I came to a lake about 1 mile long, bor- dered on E. by rocky & snowy mountains. (Sign said Cap. Peruana del Santa, Estacin de Aforo No. 3., an 6' square 12' tall concrete tower at lake outlet. A narrow canyon of guinea woods to N., with some lushy tree below. Another woods area, 1/4 mile clear, at E. end of lake. Increasingly cloudy (2 p.m.). Nearly we saw 2 mountains Caracerac or road. A far view lakes. Hundreds of trout to about 4" long within 100 yds. of lake outlet, in clear 5 yd. wide streams. One sampled was full of eggs. On tower, no crude sign indicated 3860m, about 12500' (our altim. registered 13,100). 12 mi. from Cator. I set 29 snap traps in rock walls and bunchgrass, some shrubs, baiting w mixture rolled oats & guinea. Peggy reported flushing a tinamou in tall grass on slope, twice. He set out live & snap traps. Myrna set live traps in shrub/tree area. Windy late after- oon & evening, about 42 moon. No one bothered us at campsite, tho an indian or horse rode close once. Trout reluctant to take fly in evening. 4 August 1969. Min. temp. 22°. Frosty. Morning calm, clear.